Find Parts That Fit Your Vehicle

BMW Internal Engine Parts

Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

Sub-Categories

Sort By:

Race Series High Performance Connecting Rod Bearing Set - BMW N52/N54...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:567606
Part#: 6B1584H-STD
In Stock
$ 193.99 USD
Free Shipping
$ 193.99 USD
Free Shipping

Introducing the BMW N52, N54, N55, and S55 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit BMW N52, N54, N55, and S55 engines found in many newer BMWs, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less
High Performance Rod Bearing Set - Standard E46/Z4 S54 3.2L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:384205
Part#: 11247835439/40
In Stock
20% off MSRP $ 197.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 158.99 USD
Free Shipping on orders $49 and up
20% off MSRP
$ 197.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 158.99 USD
Free Shipping on orders $49 and up

Introducing the BMW S54B32 (E46 M3, Z3M, Z4M) Race Series High-Performance Connecting Rod Bearing Set by ACL. Elevate your BMW's performance with these precision-engineered connecting rod bearings, specifically designed for the S54 engine.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit the BMW S65 V8 engine in the E90 M3, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW S54 engine with the Race Series High-Performance Connecting Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less
ACL Standard Size High Performance Rod Bearing Set - Extra Oil Cleara...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:640090
Part#: 10B1580HX
In Stock
$ 376.99

This product was last offered at the strikethrough price on
03-17-2026

$ 224.99 USD
Free Shipping
$ 224.99 USD
Free Shipping
Includes upper and lower bearing shells for a complete rod bearing replacement. Race Series with 0.025mm (.001”) extra clearance for better oiling.

BMW S65 V8 (E90, E92, E93 M3) Race Series High Performance Connecting...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:587434
Part#: 8B1580H-STD
In Stock
$ 252.99 USD
Free Shipping on orders $49 and up

Introducing the BMW S65 V8 (E9X M3) Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for the S65 V8 engine featured in the E90 M3

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit the BMW S65 V8 engine in the E9X M3, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW S65 V8 engine in the E9X M3 with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less

ACL 3.0L Standard Size Main Bearing Set BMW N52/N54/N55/S55B30 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:25706124
Part#: ACL7M1397H-STD
In Stock
$ 256.99 USD
Free Shipping on orders $49 and up
Race Series High Performance Connecting Rod Bearing Set - BMW N63/S63...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:34114210
Part#: 8B1578H-STD
In Stock
$ 234.99 USD
Free Shipping on orders $49 and up
$ 234.99 USD
Free Shipping on orders $49 and up

Introducing the BMW N63/S63 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit BMW N63 and S63 engines found in many newer BMWs, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less

ACL Race Series High Performance Main Bearing Set - BMW M20/M50/M52/S...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:584470
Part#: 7M1532H-STD
In Stock
$ 282.99 USD
Free Shipping
$ 282.99 USD
Free Shipping

Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW enthusiasts running M20, M50, M52, M54, S50, S52, and S54 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s M and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

Show More Show Less
BMW S54 3.2L High Performance Rod Bearing Set - Standard - Extra Oil ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:638405
Part#: 6B1569HX
In Stock at Vendor
$ 149.99 USD
Free Shipping
$ 149.99 USD
Free Shipping
Includes upper and lower bearing shells for a complete rod bearing replacement. Race Series with 0.025mm (.001”) extra clearance for better oiling. High-performance Trimetal engine bearings Designed to withstand higher RPM conditions High-strength overlay plate with reduced thickness for improved fatigue properties
Show More Show Less

ACL Race Series High Performance Main Bearing Set - BMW S85
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:34114246
Part#: 6M1581H-STD
Back Ordered
$ 495.99 USD
Free Shipping on orders $49 and up

Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW S85 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s M and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

Show More Show Less

ACL BMW N54B30/N55B30 3.0L Race Series Standard Size Conrod Rod Beari...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:10811990
Part#: ACL6B1584HX
In Stock
$ 258.99

This product was last offered at the strikethrough price on
05-30-2026

$ 209.99 USD
Free Shipping
$ 209.99 USD
Free Shipping
The ACL N54 Race Series High-Performance Rod Bearing Set is an elite enhancement tailored exclusively for BMW N54 engine models. Meticulously engineered for precision and durability, these rod bearings deliver heightened performance and reliability even under intense conditions. Crafted from premium materials and engineered to precise specifications, they ensure exceptional strength and longevity. This makes them the perfect selection for enthusiasts and professional racers striving to maximize the performance and endurance of their N54-powered vehicles.
Show More Show Less
Race Series High Performance Connecting Rod Bearing Set - BMW S14 2.0...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:34114212
Part#: 4B1568H-STD
In Stock
$ 118.99 USD
Free Shipping on orders $49 and up

Introducing the BMW S14B20, S14B23, and S14B25 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit the BMW S14 engine, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less
ACL Race Series High Performance Main Bearing Set - BMW S65
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:32980568
Part#: 5M1581H-STD
Ships on Aug 3, 2026
$ 209.99 USD
Free Shipping on orders $49 and up

Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW S65 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s M and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

Show More Show Less


Race Series High Performance Connecting Rod Bearing Set - BMW N20/N26...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:34114209
Part#: 4B1584H-STD
In Stock
$ 182.99

This product was last offered at the strikethrough price on
05-04-2026

$ 124.99 USD
Free Shipping on orders $49 and up
$ 124.99 USD
Free Shipping on orders $49 and up

Introducing the BMW N20/N26 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit BMW N20 and N26 engines found in many newer BMWs, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less
ACL Standard Size Conrod Bearing Set- 1919CC, 80.0mm Bore, 66.0mm Str...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:26771713
Part#: 6B1490H-STD
In Stock
$ 156.99 USD
Free Shipping on orders $49 and up
The ACL BMW M20/M50/M52/M54 Engine Standard Size High Performance Rod Bearing Set represents a specialized enhancement tailored to enhance the durability and reliability of BMW M20, M50, M52, and M54 engines. Engineered with meticulous precision, these rod bearings deliver improved performance and resilience, especially under rigorous conditions. Crafted with precision and employing premium materials, they guarantee exceptional strength and extended lifespan. As such, they are the ideal solution for enthusiasts and professional drivers aiming to enhance the performance and longevity of their BMW engines.
Show More Show Less
Sneed4Speed Street Series Piston Set Of 4 - N18 Stock Size 77mm ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:7260311
Part#: 1828344
Ships in 8 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
Sneed4Speed Street Series Cast Piston Set – N18 "STD" will be printed on the pistons. Please inspect before install. Built for MINI Cooper S (2011–2016) and JCW (2013–2016), this complete piston set is a direct-fit upgrade for your turbocharged N18 engine. Each kit includes pistons, wrist pins, and a full ring set pre-installed for easy assembly. Every piston comes with a 3-ring configuration: a top and second compression ring plus a multi-piece oil control ring (two thin rails with a wavy expander in between). The rings arrive already installed on the pistons, saving you setup time and ensuring proper fitment. Engineered from high-quality cast aluminum, these pistons are designed to safely handle 18–20 PSI of boost on a tuned setup—perfect for street-driven builds looking for reliable performance without stepping up to forged internals.
Show More Show Less

R56 Main Stud Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:30397432
Part#: R56MSK
Ships in 3 Business Days
$ 159.99 USD
Free Shipping on orders $49 and up

Sneed4Speed R56 MINI Engine Rod Bearing - Standard Size - N14 / N16 /...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:14551946
Part#: NSRBS
Ships in 7 Business Days
$ 83.99 USD
Free Shipping
$ 83.99 USD
Free Shipping

Sneed4Speed R56 Mini Engine Rod Bearing for N14, N16, N18 1.6L Engine

Upgrade your Mini's engine performance with Sneed4Speed's R56 Mini Engine Rod Bearing, tailored specifically for N14, N16, N18 1.6L engines. Crafted from top-grade materials, these bearings guarantee exceptional performance and durability.

  • Optimized for N14, N16, N18 1.6L engines
  • Enhances overall engine performance
  • Durable construction for long-lasting reliability
  • Precision engineering ensures a perfect fit
Show More Show Less
Race Series High Performance Connecting Rod Bearing Set - BMW B58 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:21670127
Part#: 6B1510H-STD
In Stock
$ 261.99

This product was last offered at the strikethrough price on
06-08-2026

$ 260.99 USD
Free Shipping on orders $49 and up
$ 260.99 USD
Free Shipping on orders $49 and up

Introducing the BMW B58 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit the BMW B58 engine, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less

SNEED4SPEED Forged Connection Rods - Set Of 4 R50/R52/R53 W10 W11 1.6...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:26238455
Part#: R53S4SROD
In Stock
$ 449.99 USD
Free Shipping on orders $49 and up

Upgrade your Mini's engine with Sneed4Speed Forged H Beam Connecting Rods, designed for the R53 and R52 Supercharged engines, also compatible with the R50/R52 Base Engines. Crafted from 4340 forged steel, these rods are rated to handle up to 700 horsepower, making them ideal for high-power builds. Perfect for budget-conscious builders seeking reliable performance, these rods offer a direct fit and replacement solution. Backed by a 100-year warranty, they provide peace of mind and long-lasting durability. Each rod includes 180,000 psi rated chrome moly rod bolts, capable of supporting up to 1000 HP.

  • Designed for R53 and R52 Supercharged engines, compatible with R50/R52 Base Engines
  • Constructed from 4340 forged steel for strength and durability
  • Rated to handle up to 700 horsepower for high-power builds
  • Ideal for budget-conscious builders seeking reliable performance
  • Direct fit and replacement for easy installation
  • Backed by a 100-year warranty for long-lasting peace of mind
  • Includes 180,000 psi rated chrome moly rod bolts for added strength and support
Show More Show Less
MINI N14 N18 1.6L SNEED4SPEED Stock Connection Rods - Set Of 4 R55/R5...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:15943313
Part#: N14RODOEM
Ships in 4 Business Days
$ 249.99 USD
Free Shipping
$ 249.99 USD
Free Shipping

MINI N14 N18 1.6L SNEED4SPEED Stock Connection Rods

A reliable upgrade for Mini vehicles, enhancing engine performance and durability. Engineered with precision and quality materials, these stock connection rods ensure optimal power delivery and longevity for the N14 and N18 1.6L engines.

  • Provides improved strength and durability over stock rods
  • Enhances engine performance for a more exhilarating driving experience
  • Precision engineering ensures perfect fit and compatibility with Mini vehicles
  • Designed for easy installation with no modifications required
Show More Show Less

Sneed4Speed Street Series Piston Rings Set - Stock Size 77.25mm (+0.2...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:18932315
Part#: NSRS.25
Ships in 2 Business Days
$ 24.99 USD
Free Shipping on orders $49 and up

MINI R56 N18 Street Series Piston Set Of 4 - Plus Size 77.50mm (+0.50...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:7260314
Part#: 182834450
In Stock
$ 425.00

This product was last offered at the strikethrough price on
07-02-2026

$ 386.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 425.00

This product was last offered at the strikethrough price on
07-02-2026

$ 386.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
"0.50" will be printed on the pistons. Please inspect before install.

MINI R56 N18 Street Series Piston Set Of 4 - Plus Size 77.50mm (+0.50) is a high-performance upgrade designed to enhance engine performance and reliability. This set includes four pistons with a complete ring set pre-installed.

  • Enhanced Performance: Designed to increase engine displacement with a plus size of 77.50mm (+0.50), improving overall power and efficiency.
  • Complete Ring Set: Each piston comes with three rings: a top compression ring, a second compression ring, and an oil control ring. The oil control ring is made up of three individual rings (two thin rings and one wavy metal ring) all installed in a single groove.
  • Pre-installed Rings: Pistons come with the rings already installed, reducing installation time and complexity.
  • Durable Construction: Crafted as cast pistons for reliable performance under street conditions.
Show More Show Less
SNEED4SPEED R55/R56/R57/R58/R59/R60/R61 Forged Connection Rods - Set ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:15943314
Part#: R56S4SROD
Ships on Jul 28, 2026
$ 599.99 USD
Free Shipping
$ 599.99 USD
Free Shipping

Sneed4Speed proudly presents their Forged H Beam Connecting Rods, tailored to fit R56, R55, R57, R58, R59, R60, and R61 MINIs equipped with the N14 and N18 engines. Crafted from resilient 4340 forged steel, these connecting rods are built to withstand the demands of high-performance engines, boasting a remarkable 700 horsepower rating. This makes them a superb choice for budget-conscious builders aiming to achieve significant power gains.

What sets these connecting rods apart is their direct fit and replacement design, ensuring a straightforward installation process for MINI enthusiasts. But that's not all – these rods come backed by an extraordinary 100-year warranty, providing unparalleled peace of mind to vehicle owners.

Furthermore, the kit includes high-quality chrome moly rod bolts, rated at an impressive 180,000 psi, capable of supporting up to 1000 horsepower. Elevate your MINI's performance and reliability with Sneed4Speed's Forged H Beam Connecting Rods.

Show More Show Less
S54B32 0.25mm Oversized High Performance Rod Bearing Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:23218017
Part#: 6B1569H-.25
In Stock at Vendor
$ 197.99 USD
Free Shipping on orders $49 and up
Includes upper and lower bearing shells for a complete rod bearing replacement. Race Series with 0.025mm (.001”) extra clearance for better oiling. High-performance Trimetal engine bearings Designed to withstand higher RPM conditions High-strength overlay plate with reduced thickness for improved fatigue properties
Show More Show Less


Sneed4Speed Street Series Piston Set Of 4 - N14 Plus Size 77.25mm (+0...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:7260305
Part#: 182834325
Special Order: No Guaranteed ETA
$ 425.00 USD
Free Shipping on orders $49 and up
"0.25" will be printed on the pistons. Please inspect before install.
MINI R56 N14 Street Series Piston Set Of 4 - Plus Size 77.50mm (+0.50...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:7260306
Part#: 182834350
Ships on Jul 27, 2026
$ 425.00 USD
Free Shipping on orders $49 and up
"0.50" will be printed on the pistons. Please inspect before install.
M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:23218018
Part#: 7M1532H-.25
In Stock at Vendor
$ 376.99 USD
Free Shipping on orders $49 and up

R56 N12 Sneed4Speed Street Series Piston (+0.50)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:26238483
Part#: N12PS.5
Ships in 10 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
"0.50" will be printed on the pistons. Please inspect before install.

Enhance your Mini's engine performance with the R56 N12 Sneed4Speed Street Series Piston (+0.50). This piston set includes a complete ring set, providing everything needed for installation. Each piston features three rings: a top compression ring, a second compression ring, and an oil control ring. The oil control ring is composed of three individual rings, including two thin rings and one wavy metal ring, all installed into a single ring groove on the piston. The pistons come pre-installed with the rings, ensuring a hassle-free installation process.

  • Street Series Piston designed for R56 N12 engines
  • Includes a complete ring set for convenience
  • Three rings per piston: top compression ring, second compression ring, and oil control ring
  • Oil control ring consists of two thin rings and one wavy metal ring
  • Pistons come pre-installed with rings for easy installation
Show More Show Less

Sneed4Speed R56 MINI Engine Rod Bearing - Standard Size - Black Magic...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:46237922
Part#: NSRBSBM
Ships in 9 Business Days
$ 133.99 USD
Free Shipping on orders $49 and up
Inline 6 RACE Series Bearing Shells - Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:637190
Part#: 6B1584H-.025
Special Order: No Guaranteed ETA
$ 261.99 USD
Free Shipping
$ 261.99 USD
Free Shipping
Upgraded Bearing Shells for you N55/N54/S55B30!

ACL Race Series High Performance Main Bearing Set - BMW N63/S63 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:34114247
Part#: 5M1573H-STD
Back Ordered
$ 409.99 USD
Free Shipping on orders $49 and up

Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW N63 and S63 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s M and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

Show More Show Less
Race Series High Performance Connecting Rod Bearing Set - BMW B46/B48...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:34114211
Part#: 4B1510H-STD
In Stock
$ 128.99

This product was last offered at the strikethrough price on
05-03-2026

$ 104.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 128.99

This product was last offered at the strikethrough price on
05-03-2026

$ 104.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up

Introducing the BMW B46/B48 Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for performance BMW engines.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit the BMW B46 and B48 engines, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less

BMW S62 V8 (E39 M5, E52 Z8) Race Series High Performance Connecting R...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:33412921
Part#: 8B1591H-STD
In Stock
$ 412.99 USD
Free Shipping on orders $49 and up

Introducing the BMW S62 V8 (E39 M5, E52 Z8) Race Series High-Performance Con Rod Bearing Set by Automotive Components Limited. Elevate your BMW's performance with these precision-engineered con rod bearings, specifically designed for the S62 V8 engine.

Key Features:

Premium Quality: Crafted with the utmost precision and durability, this con rod bearing set ensures high performance and reliability for your BMW. Race Series Design: Engineered to meet the demands of race applications, these bearings are well-suited for high-performance driving scenarios. Enhanced Engine Protection: The bearings provide essential protection for your engine components, ensuring their longevity even under extreme conditions. Perfect Fit: Designed to seamlessly fit the BMW S62 V8 engine in the E39 M5, these bearings are a direct replacement for your stock components. Improved Performance: Experience enhanced engine performance and responsiveness, making it ideal for racing and high-performance driving. Upgrade your BMW S62 V8 engine in the E39 M5 and E52 Z8 with the Race Series High-Performance Con Rod Bearing Set from Automotive Components Limited. Enhance your vehicle's performance and enjoy peace of mind knowing your engine is protected by top-quality components.

Show More Show Less

MINI R55+ Sneed4Speed N Series Engine Cylinder Head Bolts Kit ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:18965470
Part#: NSHBS
Ships in 3 Business Days
$ 74.99 USD
Free Shipping on orders $49 and up

MINI R55+ Sneed4Speed N Series Engine Cylinder Head Bolts Kit

Upgrade your MINI's engine with the MINI R55+ Sneed4Speed N Series Engine Cylinder Head Bolts Kit. Engineered for performance and durability, this kit includes high-quality cylinder head bolts designed specifically for N series engines. Ensure a secure and reliable seal for your cylinder head with this premium bolt kit from Sneed4Speed.

  • Specifically designed for MINI R55+ models
  • High-quality bolts ensure secure cylinder head seal
  • Engineered for performance and durability
  • Provides peace of mind for engine reliability
  • Easy installation for hassle-free upgrade
Show More Show Less
Sneed4Speed Street Series Piston Set Of 4 - N18 Plus Size 77.25mm (+0...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:7260310
Part#: 182834425
Ships in 3 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
"0.25" will be printed on the pistons. Please inspect before install.
MINI R56 N12 Sneed4Speed Street Series Piston Set Plus sized (+0.25) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:26238482
Part#: 182834324
Ships in 2 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
"0.25" will be printed on the pistons. Please inspect before install.

Upgrade your non-turbo MINI engine with the Sneed4Speed street series N12 cast piston set. This set includes pistons, rings, and wrist pins for comprehensive engine enhancement. Ensure proper fitment by checking engine models and compatibility before purchase. Each piston in the set features three rings: a top compression ring, a second compression ring, and an oil control ring, providing efficient performance and control. The oil control ring consists of two thin rings and a wavy metal ring, all pre-installed on the piston for convenience.

  • Complete piston set with rings and wrist pins included
  • Rings pre-installed on each piston for easy assembly
  • Designed for non-turbo MINI engines
  • Enhances engine performance and durability
Show More Show Less


SNEED4SPEED MINI Cooper Performance Engine - Street 14SCE | MINI R55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine if not in stock here or at S4S will take 30-45 days to build, ETA on site is estimate
Sneed4Speed - Corporate Logo
T#:39768332
Part#: 2028311KT
Ships on Sep 28, 2026
$ 6,295.00 USD
$ 6,295.00 USD
Rebuilt performance engines that are great for the street to track level, Does not come with a painted block. You will have to paint it on your own.
SNEED4SPEED MINI Cooper N18 Performance Head - Street Up to 3/2012 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:32814625
Part#: N18CYLHEAD
Ships in 2 Business Days
$ 3,299.99 USD
Free Shipping on orders $49 and up
Sneed4Speed Street Series Piston Rings Set - Stock Size 77mm - Priced...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:18932312
Part#: NSRS-STD
Ships in 3 Business Days
$ 24.99 USD
Free Shipping on orders $49 and up

SNEED4SPEED MINI Cooper W10/W11 Performance Head - Street - W11 1.6L ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:18866027
Part#: 2028201
Ships in 2 Business Days
$ 2,699.99 USD
$ 2,699.99 USD

Optimize your MINI Cooper S's performance with the meticulously remanufactured Sneed cylinder head, crafted for superior power, reliability, and endurance. Engineered using top-notch materials and advanced techniques, this cylinder head exceeds original manufacturer specifications.

Benefits:

  • Superior performance designed for MINI Cooper S models
  • Unmatched quality, durability, and precise fitment
  • Direct compatibility with MINI Cooper S models 2002-2006 R52 and R53
  • Hassle-free installation without modifications

Frequently Asked Questions:

What is a Sneed remanufactured cylinder head?

A Sneed remanufactured cylinder head is...

Does the Sneed remanufactured cylinder head come with a warranty?

Yes, we offer a warranty on our Sneed remanufactured cylinder heads...

Show More Show Less

MINI R56 N14 N18 Sneed4Speed Engine Main Bearing Set - Standard Size ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:23449741
Part#: NSMBS
Ships in 5 Business Days
$ 129.99 USD
Free Shipping on orders $49 and up

MINI R56 owners can enhance their engine performance with the Sneed4Speed Engine Main Bearing Set. This high-quality set is meticulously crafted to improve durability and reliability, offering superior support to the engine's rotating assembly. Designed for precise fitment and long-lasting performance, these main bearings ensure consistent lubrication and reduce friction within the engine. Perfectly engineered to meet high-performance demands, this bearing set is a crucial upgrade for keeping the MINI R56 engine running smoothly and efficiently.

  • Enhances Engine Durability and Reliability: Improves the overall strength and dependability of the engine.
  • Optimal Support to the Rotating Assembly: Provides necessary support to maintain engine balance and performance.
  • Precise Fitment and Longevity: Ensures a perfect fit and long-lasting use.
  • Minimizes Friction and Enables Consistent Lubrication: Reduces wear and tear by ensuring smooth lubrication.
  • Engineered for High-Performance Demands: Designed to handle the stress of high-performance driving.
Show More Show Less
Main Bearing Set - Standard Size
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:26538326
Part#: BSMBS
Ships in 2 Business Days
$ 94.99 USD
Free Shipping on orders $49 and up

MINI R56 N14 Street Series Piston Set Of 4 - Stock Size 77mm ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:7260304
Part#: 1828343
Ships in 7 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
"STD" will be printed on the pistons. Please inspect before install.
Head Stud Kit - R56
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:42099869
Part#: 56HSK
Ships in 3 Business Days
$ 199.99 USD
Free Shipping on orders $49 and up

MINI R55 to R61 Main Bearing Set - +.25 Size
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:31158809
Part#: 5M7788H-.25
Ships on Jul 31, 2026
$ 204.99

This product was last offered at the strikethrough price on
04-09-2026

$ 201.99 USD
Free Shipping on orders $49 and up
$ 201.99 USD
Free Shipping on orders $49 and up

MINI R55 to R61 Main Bearing Set - +.25 Size

The MINI R55 to R61 Main Bearing Set - +.25 Size is engineered for superior performance and reliability. Constructed from high tensile strength steel alloy, these bearings enhance rod bearing strength and retention. The increased crush improves bearing retention by enhancing radial contact pressures and heat dissipation. Bearing eccentricity is optimized to compensate for bore distortion and supports the formation of a hydrodynamic oil film, ensuring smooth engine operation. This set is +.25 size over standard, offering a precise fit for your MINI.

  • Increased Strength: Higher tensile strength steel alloy for improved bearing durability.
  • Enhanced Retention: Greater crush for better bearing retention and heat dissipation.
  • Optimized Eccentricity: Compensates for bore distortion and supports hydrodynamic oil film formation.
  • Precise Fit: +.25 size over standard for a perfect fit in your MINI.
Show More Show Less

Rod Bearing Set - Standard Size
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:26538327
Part#: BSRBS
Ships in 3 Business Days
$ 39.99 USD
Free Shipping on orders $49 and up
Sneed4Speed Street Series Piston Rings Set - Stock Size 77.50mm (+0.5...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:18932317
Part#: NSRS.5
Ships in 2 Business Days
$ 24.99 USD
Free Shipping on orders $49 and up
MINI R55 to R61 Rod Bearing Set - .25+ Size
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:31423714
Part#: 4B7787H-.25
Ships on Jul 31, 2026
$ 130.99

This product was last offered at the strikethrough price on
04-09-2026

$ 128.99 USD
Free Shipping on orders $49 and up
$ 128.99 USD
Free Shipping on orders $49 and up


R56 N12 Sneed4Speed Street Series Piston Set - Standard - N14 / N16 /...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:23383346
Part#: N12PSSTD
Ships in 2 Business Days
$ 425.00 USD
Free Shipping on orders $49 and up
"STD" will be printed on the pistons. Please inspect before install.

Enhance your MINI's performance with these pistons equipped with a complete ring set, comprising top compression, second compression, and oil control rings. The unique oil control ring consists of three individual rings configured into a single ring groove on the piston. This setup includes two thin rings and a wavy metal ring nestled between them. The pistons come ready with the rings pre-installed, ensuring convenience in installation.

Benefits:

  • Complete Ring Set: Includes top compression, second compression, and oil control rings
  • Pre-Installed Rings: Rings are already assembled on the pistons for ease of use
Show More Show Less
F56 B48 Sneed Street Series Piston Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Sneed4Speed - Corporate Logo
T#:30397437
Part#: BSDPS
Ships in 3 Business Days
$ 445.00 USD
Free Shipping on orders $49 and up