BMW Internal Engine Parts

ARP Main Stud Kits - S58

T#:22427031

Part#: ARP-MSK-S58

Ships in 3 Business Days

$ 229.99 USD

Add to Wish List

Qty

$ 229.99 USD

Add to Wish List

Elevate your BMW S58 engines with the ARP Main Stud Kit, replacing part numbers 11118604584. These studs prevent main cap walk, ensuring stability and protecting the engine from potential damage. They also safeguard the engine block threads, adding an extra layer of protection. Opting for main studs over factory bolts requires engine builders to mic the bores. Studs may require a line hone for proper fitment and alignment, ensuring round and concentric main bearing bores, preventing premature bearing wear, and ensuring optimal oil clearance.

Show More Show Less

Genuine BMW Valve Spring - Outer (30.2 mm Diameter) - E28 E30 E34 ...

T#:6788

Part#: 11341706583

In Stock at Vendor

$ 26.99 USD

Add to Wish List

Qty

$ 26.99 USD

Add to Wish List

Genuine BMW Valve Spring - D=30,2mm
This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M20

ARP Head Stud Kit, BMW S14

T#:28537451

Part#: ARP-HSK-S14

Ships in 3 Business Days

$ 179.99 USD

Add to Wish List

Qty

$ 179.99 USD

Add to Wish List

This ARP head stud Kit is designed for the BMW S14 B20, S14B23, S14B25, S14B27 engines found in the E30 M3. Installing ARP head studs can provide several benefits, including increased clamping force, improved head gasket sealing, and greater overall engine strength. This is especially important in high-performance and racing applications where the engine is subjected to increased stress and higher temperatures. Before installing ARP head studs, it is important to properly clean and prepare the engine block and cylinder head mating surfaces. It is also recommended to use ARP Ultra-Torque Fastener Assembly Lubricant during installation to ensure proper torque and clamping force. Instructions: 1. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser. 2. Clean and inspect all hardware prior to installation. Look for obvious defects or shipping damages, plus proper fit, length and dimension. 3. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with ARP THREAD SEALER. 4. Screw studs into the block “HAND TIGHT ONLY”. 5. Install the cylinder head(s) and check for binding or misalignment. 6. Lubricate the stud threads, nuts and washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT. Then install the washers and the nuts onto the studs and tighten them hand tight. ARP recommends using the ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT that is provided with each kit as opposed to motor oil. This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when motor oil or other low quality lubricants are used.

Show More Show Less

CP Forged Piston Set, BMW M50 Non-VANOS Pro-Xtreme 10:1

T#:26171659

Part#: FPS-M50NV-10:1

Ships in 3 Business Days

$ 1,399.99 USD

Add to Wish List

Qty

$ 1,399.99 USD

Add to Wish List

The 5150 AutoSport Pro-Xtreme Forged Pistons, made by CP-Carrillo, are designed to handle extreme horsepower and high RPM applications for BMW M50 Non-VANOS engines with 135 mm Rods. Constructed from high-strength, aircraft-grade steel, these pistons are engineered to withstand the forces generated by high-powered engines. The Pro-Xtreme design is specifically tailored to handle up to 2000 horsepower, making these pistons suitable for high-performance turbo/drag racing or street/strip applications. They are also designed to handle high engine speeds of up to 9500 RPM, which is necessary for achieving maximum power output. Each piston is precisely fabricated to meet the demands of high-performance engines using advanced manufacturing techniques such as computer-aided design (CAD) and finite element analysis (FEA). The Pro-Xtreme Pistons are designed to be durable, reliable, and capable of handling the extreme stresses and forces generated by high-horsepower and high-rpm engines. Pro-Xtreme Piston Sets Include: - Pistons - PVD Rings - Pins - Locks - Spec Sheet Please note, that the Pro-Xtreme Piston is engineered to handle up to 2000HP, however, the Standard Wrist Pin can only handle 800-850HP. To exceed 850HP, it is a MUST to use Heavy Duty pins.

Show More Show Less

Genuine BMW Valve Spring - Inner (20.1 mm Diameter) - E30 E34 ...

T#:6789

Part#: 11341706584

In Stock at Vendor

$ 16.99 USD

Add to Wish List

Qty

$ 16.99 USD

Add to Wish List

Genuine BMW Valve Spring - D=20,1mm
This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M20

Athena Cut Ring Head Gasket S14

T#:28537477

Part#: ATH-HG-CR-S14-95

Ships in 3 Business Days

$ 284.99 USD

Add to Wish List

Qty

$ 284.99 USD

Add to Wish List

This Athena Cut Ring Head Gasket is specifically engineered to replace BMW part 11121316714 for the S14B20, S14B23, S14B25, S14B27 engines found in the E30 M3. Factory OEM & MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak, causing a range of issues, including engine overheating, loss of power, misfires, and in severe cases, catastrophic engine failure. Athena-SCE Cut Ring Head Gaskets are uniquely designed to handle increased cylinder pressure caused by power modifications, making them the recommended choice for applications making 16+ psi. Design: Athena-SCE's gasket body is composed of Motorgasket, a reinforced material developed by Athena's R&D department. This consists of a steel core covered with two layers of asbestos-free aramid fibre and offers excellent thermal and mechanical resistance without compromising its ability to adapt to mating surfaces. To ensure maximum sealing under all conditions, a silicone bead is also applied to critical sealing areas, such as oil and coolant passages. The AISI 304 stainless steel cooper rings bite into the aluminum head, providing maximum sealing around the cylinder bore and optimizing engine performance, even on engines with nitrous and/or turbo applications that exceed 2 bar boost.

Show More Show Less

CP Forged Piston Set - M20B27 - 84.5mm Bore, 8.5:1 CR

T#:26271772

Part#: CP-FPS-M20-B275

Ships in 3 Business Days

$ 1,396.99 USD

Add to Wish List

Qty

$ 1,396.99 USD

Add to Wish List

CP-Carrillo represents the highest quality pistons on the market, engineered for maximum power and durability. Utilizing high-strength, lightweight materials and advanced engineering, this BMW M20B27 piston set features: Lightweight Design: CP-Carrillo pistons are made from high-strength, lightweight materials, such as forged aluminum alloy. Reduced piston weight contributes to improved engine responsiveness and acceleration. Advanced Engineering: CP-Carrillo engineers use state-of-the-art technology and engineering techniques to manufacture pistons that offer optimized combustion, improved fuel efficiency, and increased power output. CP-Carrillo pistons are the best choice for any M20 engine and application, from street bully to all-out track car, and are engineered by one of the most respected names in motorsport to improve performance and reliability. Piston Sets Include: - Pistons - Rings - Pins - Locks - Spec Sheet

Show More Show Less

Intake Valve - Priced Each

T#:596779

Part#: 11341267721

In Stock at Vendor

$ 13.99

This product was last offered at the strikethrough price on
05-07-2026

$ 8.99 USD

Add to Wish List

Qty

$ 8.99 USD

Add to Wish List

Replacement intake valve 40.0/6.97MM

MINI R56 N14 N18 Sneed4Speed Engine Main Bearing Set - Standard Size ...

T#:23449741

Part#: NSMBS

Ships in 4 Business Days

$ 129.99 USD

Add to Wish List

Qty

$ 129.99 USD

Add to Wish List

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

MAHLE Forged Piston Kit 92.50mm - S65 - 4.0L

T#:2928986

Part#: 197843342

Ships in 2 Business Days

$ 1,429.99 USD

Add to Wish List

Qty

$ 1,429.99 USD

Add to Wish List

Forged, 4032. Get the performance and reliability your S65 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.

Show More Show Less

JE Pistons BMW S52B32US 9:1 KIT

T#:33713130

Part#: 297171

In Stock at Vendor

$ 1,324.99 USD

Add to Wish List

Qty

$ 1,324.99 USD

Add to Wish List

JE Pistons Forged Piston Set – BMW S52B32US – 9:1 Compression Ratio Elevate your BMW S52B32US engine with this JE Pistons forged piston kit, designed for durability and performance. 9:1 Compression Ratio: Optimized for turbocharged or supercharged applications, allowing for higher boost without compromising reliability. Forged Aluminum: Lightweight and strong, engineered to withstand high pressures and temperatures. Precision Fit: Tailored for seamless installation in the S52B32US engine. Ideal for enthusiasts looking to boost horsepower and performance, this piston kit ensures exceptional durability and reliability.

Show More Show Less

BMW Cylinder Head Bolt Set

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:15412447

Part#: 11121729246

In Stock at Vendor

$ 36.99

This product was last offered at the strikethrough price on
05-08-2026

$ 35.99 USD

Add to Wish List

Qty

$ 35.99 USD

Add to Wish List

The cylinder head bolt is a torque-to-yield bolt, meaning the bolts stretch to ensure proper securing when tightened down. After removal, the bolts cannot return to their pre-stretched state and must be replaced for proper torque. This is a full set and includes 10 cylinder head bolts.

Show More Show Less

MAHLE PowerPak Piston Kit 92mm - S85 - 5.0L

T#:2928995

Part#: 197859622

Ships in 2 Business Days

$ 1,787.99 USD

Add to Wish List

Qty

$ 1,787.99 USD

Add to Wish List

Forged, 4032. Get the performance and reliability your S85 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.

Show More Show Less

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

T#:31423714

Part#: 4B7787H-.25

Ships on Aug 14, 2026

$ 130.99

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

$ 128.99 USD

Add to Wish List

Qty

$ 128.99 USD

Add to Wish List

TRW Exhaust Valve (38 mm) (8 mm Stem) - E10 E21 E30

T#:19086

Part#: 11341251063

In Stock at Vendor

$ 27.79 USD

Add to Wish List

Qty

$ 27.79 USD

Add to Wish List

EXHAUST VALVE 11341251063 Manufactured by TRW

This item fits the following BMWs:

BMW 2002 - 2002, 2002tii
BMW 3 Series - 318i, 320i

--.

Engine Rod Bearing Kit - (+0.25) Size

T#:31589432

Part#: CR4538CA0.25

In Stock at Vendor

$ 54.99 USD

Add to Wish List

Qty

$ 54.99 USD

Add to Wish List

MINI R50 to R53 Engine Main Bearing Kit Silicone Bi Metal - (+0.25) S...

T#:31423708

Part#: MB5667SI0.25

In Stock at Vendor

$ 134.99 USD

Add to Wish List

Qty

$ 134.99 USD

Add to Wish List

Engine Rod Bearing Kit - (+0.50) Size

T#:31589319

Part#: CR4538CA0.50

In Stock at Vendor

$ 57.99 USD

Add to Wish List

Qty

$ 57.99 USD

Add to Wish List

JE Pistons BMW S50B32

T#:33612913

Part#: 312383

In Stock at Vendor

$ 1,349.99 USD

Add to Wish List

Qty

$ 1,349.99 USD

Add to Wish List

The JE Pistons kit for the BMW S50 engine is crafted for serious performance enthusiasts. Made from forged aluminum, these pistons are designed to withstand high power levels while enhancing combustion efficiency. Their lightweight construction helps improve throttle response, making them ideal for both racing and daily driving. With options for various compression ratios and protective coatings, this kit provides the flexibility needed for optimized engine tuning and reliability in demanding conditions.

Show More Show Less

OEM Elring Cylinder Head Bolt Set - BMW 335d M57 3.0L

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:2691343

Part#: 11127798532

In Stock at Vendor

$ 97.99

This product was last offered at the strikethrough price on
05-07-2026

$ 95.99 USD

Add to Wish List

Qty

$ 95.99 USD

Add to Wish List

Includes a full set of replacement Head Bolts. Cylinder head bolts need to be replaced after removal, once a bolt is torqued down you are unable to reuse it.

King Performance BMW S54 Rod Bearings - Set - .025

T#:25706111

Part#: CR6877XP0.25

Ships in 2 Business Days

$ 300.99 USD

Add to Wish List

Qty

$ 300.99 USD

Add to Wish List

King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a tri-metal base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. Complete Set of Bearing Shells - .025 Oversize

Show More Show Less

BMW S50B30 JE Piston EURO FSR KIT

T#:33646289

Part#: 345626

In Stock at Vendor

$ 1,349.99 USD

Add to Wish List

Qty

$ 1,349.99 USD

Add to Wish List

JE Pistons BMW S50B30 Euro Piston 86.00mm Bore 1.245in. CH -4.30 CC - Single Piston JE Pistons for the BMW S50 engine are high-performance, forged pistons designed for durability and optimized performance in racing and high-output applications. The BMW S50 engine, found in models like the E36 M3, benefits from JE Pistons' lightweight, robust design, allowing for improved power output and engine reliability under extreme conditions.

Show More Show Less

MAHLE Powerpak Piston Kit 92.50mm - S85 - 5.0L

T#:2928998

Part#: 197859642

Ships in 2 Business Days

$ 1,787.99 USD

Add to Wish List

Qty

$ 1,787.99 USD

Add to Wish List

Forged, 4032. Get the performance and reliability your S85 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston.

Show More Show Less

Elring CSL Exhaust Valve - E46

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:583284

Part#: 18301711969

In Stock at Vendor

$ 16.66 USD

Add to Wish List

Qty

$ 16.66 USD

Add to Wish List

Exhaust valve with better airflow

BMW Cylinder Head Bolt Set

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:15247118

Part#: 11127838831

In Stock at Vendor

$ 60.99

This product was last offered at the strikethrough price on
05-08-2026

$ 59.99 USD

Add to Wish List

Qty

$ 59.99 USD

Add to Wish List

When replacing a head gasket or performing maintenance that requires the removal of the head, it is advised to replace the cylinder head bolts as they are torque to yield bolts that allow for one time use only.

Show More Show Less

BMW - Toyota ULTRA SERIES B58

T#:33612885

Part#: 389616

In Stock at Vendor

$ 1,722.99 USD

Add to Wish List

Qty

$ 1,722.99 USD

Add to Wish List

The JE Pistons for the B58 engine are high-performance forged pistons designed for BMW's 3.0L inline-six turbocharged engine. These pistons are built with aerospace-grade materials, offering superior strength and durability under extreme conditions. They feature precision-machined surfaces, optimized for high boost applications, reduced friction, and enhanced thermal management. JE Pistons are known for their lightweight design, which improves engine response, while maintaining reliability for both street and track use. Customizable options for compression ratios and coatings are often available to suit specific performance goals.

Show More Show Less

Kelford Camshaft Set - Gen 2 B58

T#:25938642

Part#: KEL-B58-GEN2

Ships in 3 Business Days

Starting at $ 2,394.98 USD

Add to Wish List

Starting at $ 2,394.98 USD

Add to Wish List

BMW B58 Gen2 - Stage 1 Street | Strip | Circuit Race | Road Race | Roll Race | Drift | E85 270° / 268° - 10.30mm / 10.15mm Valve Lift 270°/268° cams to suit BMW's Gen 2 B58 engine with bolt-on intake, exhaust, and turbo upgrades. For an engine producing around 550-750hp running a 58-68mm turbo. Still maintains full use of Valvetronic and Double VANOS for good throttle response and wide power band. Must have valve spring upgrade. BMW B58 Gen2 - Stage 2 Strip | Drag Race | Circuit Race | Road Race | Roll Race | Drift | E85 285° / 280° - 10.30mm / 10.60mm Valve Lift 285°/280° stage 2 racing cams for professionally built BMW Gen 2 B58 engine making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums. Still can maintain full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in the fully open position when using an aftermarket throttle body. Must have valve spring upgrade. BMW B58 Gen2 - Stage 3 Strip | Drag Race | Roll Race | Drift | E85 | Methanol 288° / 288° - 10.35mm / 10.80mm Valve Lift 288° Stage 3 drag racing cams for professionally built B58 Gen 2 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel-type ethanol blend or methanol. Must use aftermarket high-flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing. Must have valve spring upgrade. High Performance Valve Spring Kit - B58 Kelford's performance valve spring and titanium retainer kit is designed to work with the B58B30 straight-6 engine. Made using high-performance PACALOY™, this kit is sure to offer outstanding performance. This kit is specifically engineered to work well with their Stage 1, Stage 2, and Stage 3 camshafts to provide exceptional quality, reliability, and performance. 90lb seat pressure at 36.5 mm installed height; 193lb at 11.0 mm valve lift Spring coil bind height at 23.6 mm

Show More Show Less

SuperTech High Performance Valve Spring Kit 75lbs - S58

T#:22427032

Part#: SUP-HPVSK-S58-75

Ships in 3 Business Days

$ 999.99 USD

Add to Wish List

Qty

$ 999.99 USD

Add to Wish List

Upgrade your BMW S58 with Supertech's specialized valve spring kits, designed for enhanced control and reliability. Engineered for high-performance demands, these kits are favored by enthusiasts, engine builders, and race teams alike. Crafted from premium materials, the springs offer superior rates, improved valve control, and enhanced durability compared to stock alternatives. Tailored to specific BMW engine configurations, Supertech kits ensure proper valve operation, preventing float and maximizing power output without compromising reliability.

Show More Show Less

Crankshaft Position Sensor

T#:599818

Part#: 13627525015

In Stock at Vendor

$ 49.99 USD

Add to Wish List

Qty

$ 49.99 USD

Add to Wish List

CP Carrillo PRO-H Performance Connecting Rod Set - w/ 3/8" CARR Bolts...

T#:50521388

Part#: SCR13034-6

In Stock at Vendor

$ 2,189.99 USD

Add to Wish List

Qty

$ 2,189.99 USD

Add to Wish List

CP Carrillo's PRO-H connecting rods offer exceptional strength and durability for use in high-performance racing engines, capable of withstanding extreme, abusive forces. These rods are made from a proprietary alloy called Carrilloy and utilize an H-beam design for lower weight without compromising strength. This connecting rod set also includes CARR bolts, a multi-phase bolt rated to 285 KSI, which are good for unlimited torque cycles if not overstretched or overheated.

Show More Show Less

JE Piston - BMW S14B23 8.5:1 Piston Single 94.00mm

T#:33713155

Part#: 321359S

In Stock at Vendor

$ 251.99 USD

Add to Wish List

Qty

$ 251.99 USD

Add to Wish List

JE Pistons BMW S14B23 Piston - 8.5:1 Compression – 94.00 mm Bore – 1.260 in. CH, -23.70 CC is expertly engineered for BMW S14 engines, offering a lower compression ratio ideal for turbocharged and high-boost applications. Designed to provide increased power and durability, these high-performance pistons are perfect for enhancing the performance of the BMW E30 M3, delivering consistent results both on the street and track.

Available through Turner Motorsport, these JE Pistons are forged for maximum strength and heat resistance, making them capable of withstanding extreme pressure and high RPMs. With a 94.00 mm bore and -23.70 CC volume, these pistons are precisely crafted to optimize engine displacement and combustion efficiency, allowing for greater throttle response and boosted power output.

Key Benefits:

8.5:1 compression ratio for optimal performance in turbocharged and high-boost applications
94.00 mm bore for increased engine displacement and improved performance
1.260 in. compression height and -23.70 CC volume for efficient combustion
Forged construction for maximum strength and durability under extreme conditions
Specifically designed for BMW S14B23 engines, including the iconic E30 M3
Available through Turner Motorsport, ensuring quality products and expert support
Ideal for motorsport and high-performance street applications

Show More Show Less

Kelford Camshaft Set - Gen 1 B58

T#:25938620

Part#: KEL-CSS-B58-GEN1

Ships in 3 Business Days

Starting at $ 2,394.98 USD

Add to Wish List

Starting at $ 2,394.98 USD

Add to Wish List

BMW B58 Gen1 - Stage 1 Street | Strip | Circuit Race | Road Race | Roll Race | Drift | E85 270° / 268° - 10.30mm / 10.15mm Valve Lift 270°/268° cams to suit BMW's Gen 1 B58 engine with bolt-on intake, exhaust, and turbo upgrades. For an engine producing around 550-750hp running a 58-68mm turbo. Still maintains full use of Valvetronic and Double VANOS for good throttle response and wide power band. Must have valve spring upgrade. BMW B58 Gen1 - Stage 2 Strip | Drag Race | Circuit Race | Road Race | Roll Race | Drift | E85 285° / 280° - 10.30mm / 10.60mm Valve Lift 285°/280° stage 2 racing cams for professionally built BMW Gen 1 B58 engine making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums. Still can maintain full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in the fully open position when using an aftermarket throttle body. Must have valve spring upgrade. BMW B58 Gen1 - Stage 3 Strip | Drag Race | Roll Race | Drift | E85 | Methanol 288° / 288° - 10.35mm / 10.80mm Valve Lift 288° Stage 3 drag racing cams for professionally built B58 Gen 1 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel-type ethanol blend or methanol. Must use aftermarket high-flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing. Must have valve spring upgrade. High Performance Valve Spring Kit - B58 Kelford's performance valve spring and titanium retainer kit is designed to work with the B58B30 straight-6 engine. Made using high-performance PACALOY™, this kit is sure to offer outstanding performance. This kit is specifically engineered to work well with their Stage 1, Stage 2, and Stage 3 camshafts to provide exceptional quality, reliability, and performance. 90lb seat pressure at 36.5 mm installed height; 193lb at 11.0 mm valve lift Spring coil bind height at 23.6 mm

Show More Show Less

5150 AutoSport & Cat Cams Camshaft Set - 278* / 272* - 11.20mm / 10.3...

T#:39126861

Part#: N55CCCAM-278-272

Ships in 3 Business Days

$ 1,799.99 USD

Add to Wish List

Qty

$ 1,799.99 USD

Add to Wish List

Cat Cams offer great performance at a reasonable price. Cat Cam offers cams in the most popular enthusiast upgrade specs to ensure there is an option for whatever your power goal is. This N55 camshaft set is designed to bring your engine to the next level! Whether it's for street or track purposes, this camshaft set offers the power gains and throttle response needed to push your N55 to its limits. These camshafts are a direct fit for seamless installation and with some simple tuning can produces great power while retaining factory-like idle and driveability. Valvetronic and Dual VANOS functionality can be fully retained, or with an aftermarket throttle body, the valvetronic system can be locked open, providing even more control.

Show More Show Less

JE Pistons BMW N55B30 84mm Bore 9.5:1 Compression Ratio -14.7 Dish FS...

T#:590161

Part#: 338096

In Stock at Vendor

$ 1,649.99 USD

Add to Wish List

Qty

$ 1,649.99 USD

Add to Wish List

JE Pistons BMW N55B30

T#:33612897

Part#: 3380966

In Stock at Vendor

$ 1,649.99 USD

Add to Wish List

Qty

$ 1,649.99 USD

Add to Wish List

JE Pistons for the N55 engine are precision-engineered for BMW’s single-turbo 3.0L inline-six. These forged pistons are built for high-performance applications, offering exceptional strength and durability under extreme conditions. Designed to handle high boost pressures and increased power, they feature optimized crown shapes and valve reliefs to improve combustion efficiency. Their lightweight construction reduces rotational mass, enhancing throttle response and engine efficiency. With customizable options for compression ratios and coatings, JE Pistons are ideal for tuning and motorsport setups, ensuring reliable performance in both street and track environments.

Show More Show Less

Kelford Camshaft Set - S58

T#:25507146

Part#: KEL-358-S58

Ships in 3 Business Days

Starting at $ 1,399.99 USD

Add to Wish List

Starting at $ 1,399.99 USD

Add to Wish List

Experience a new level of high performance with the upcoming Kelford Cams S58 Camshafts, exclusively at ECS Tuning. Kelford Cams is renowned for its precision-engineered camshafts and valvetrain components, and they're currently in the process of crafting camshafts tailored specifically for the S58 engine, found in BMW G80/G81/G82/G83, X3M, F97 X3M, and F98 X4M models. These camshafts, inspired by the successful design principles of the B58 Camshafts, will focus on rapid spooling and optimizing power throughout the RPM range. BMW S58 | Stage 1 Street | Strip | Circuit Race | Road Race | Roll Race | Drift | E85 288° / 268° - 10.30mm / 10.15mm Valve Lift BMW M Series camshafts are designed for S58 engines with bolt-on intake, exhaust, and turbo upgrades. For engines producing around 600-850hp running a 60-68mm turbo. Maintains full use of Valvetronic and Dual VANOS for great throttle response and wide power band. Must have valve spring upgrade. Kelford recommends their High-Performance Valve Spring Kit BMW S58 | Stage 2 Strip | Drag Race | Circuit Race | Road Race | Roll Race | Drift | E85 292° / 280° - 10.40mm / 10.60mm Valve Lift BMW M Series Racing Camshafts professionally built BMW S58 engines making 800hp-1400hp. Turbo sizing 66-75mm. Great with aftermarket intake plenums. Maintains full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in the fully open position when using an aftermarket throttle body. Must have valve spring upgrade. Kelford recommends their High-Performance Valve Spring Kit Note: Must check intake intermediate rockers for clearance to the new racing cam lobe; OEM pressed steel rockers have sharp edges which may damage the bigger cam lobe. Trim and deburr as necessary. BMW S58 | Stage 3 Strip | Drag Race | Roll Race | Drift | E85 | Methanol 298° / 288° - 10.40mm / 10.80mm Valve Lift BMW M Series Stage 3 drag racing cams designed for professionally built S58 engines producing 1400hp+. Turbo sizing 76mm+ on high boost. Ethanol blend or methanol. Must have valve spring upgrade. Kelford recommends their High-Performance Valve Spring Kit Please Note: Must check intake intermediate rockers for clearance to the new racing cam lobe; OEM-pressed steel rockers have sharp edges which may damage the bigger cam lobe. Trim and deburr as necessary. All engine modifications should be performed by a qualified professional to ensure a proper and safe installation process and a reliable, optimally performing engine.

Show More Show Less

Main Bearing Set (Standard)

T#:55857747

Part#: 11211725917

In Stock at Vendor

$ 90.99

This product was last offered at the strikethrough price on
07-15-2026

$ 85.99 USD

Add to Wish List

Qty

$ 85.99 USD

Add to Wish List

VAC MOTORSPORTS PREMIUM STROKER KIT, BMW S65, 4.4L/4.5L/4.6L/4.7L - I...

T#:16840476

Part#: SKS65ST2941151S

Ships in 2 Business Days

$ 11,988.99 USD

Add to Wish List

Qty

$ 11,988.99 USD

Add to Wish List

MINI W10 W11 CP Forged Piston & Ring Set (Set Of 4) - 78mm (Plus Size...

T#:28968875

Part#: SC7512

In Stock at Vendor

$ 885.99 USD

Add to Wish List

Qty

$ 885.99 USD

Add to Wish List

Upgrade your Mini's engine performance with the MINI W10 W11 CP Forged Piston & Ring Set (Set Of 4) - 78mm (Plus Size +1mm). This high-quality piston and ring set is designed to enhance power and durability, ensuring optimal performance on the road or track. With a forged construction and plus-size design, it provides improved strength and reliability for your Mini's engine.

Enhances engine performance for Mini vehicles
Durable forged construction for long-lasting use
Plus-size design (+1mm) for improved strength
Includes a set of 4 pistons and rings for convenience

Transform your Mini's engine with the MINI W10 W11 CP Forged Piston & Ring Set, achieving greater power and reliability.

Show More Show Less

Ferrea High Performance Valve Kit - S58

T#:22427040

Part#: FER-HPVK-S58

Ships in 3 Business Days

$ 999.99 USD

Add to Wish List

Qty

$ 999.99 USD

Add to Wish List

Kelford Camshaft Set - Gen 1.5 B58

T#:25938633

Part#: KEL-B58-GEN1.5

Ships in 3 Business Days

Starting at $ 2,394.98 USD

Add to Wish List

Starting at $ 2,394.98 USD

Add to Wish List

BMW B58 Gen1.5 - Stage 1 Street | Strip | Circuit Race | Road Race | Roll Race | Drift | E85 270° / 268° - 10.30mm / 10.15mm Valve Lift 270°/268° cams to suit BMW's Gen 1.5 B58 engine with bolt-on intake, exhaust, and turbo upgrades. For an engine producing around 550-750hp running a 58-68mm turbo. Still maintains full use of Valvetronic and Double VANOS for good throttle response and wide power band. Must have valve spring upgrade. BMW B58 Gen1.5 - Stage 2 Strip | Drag Race | Circuit Race | Road Race | Roll Race | Drift | E85 285° / 280° - 10.30mm / 10.60mm Valve Lift 285°/280° stage 2 racing cams for professionally built BMW Gen 1.5 B58 engine making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums. Still can maintain full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in the fully open position when using an aftermarket throttle body. Must have valve spring upgrade. BMW B58 Gen1.5 - Stage 3 Strip | Drag Race | Roll Race | Drift | E85 | Methanol 288° / 288° - 10.35mm / 10.80mm Valve Lift 288° Stage 3 drag racing cams for professionally built B58 Gen 1.5 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel-type ethanol blend or methanol. Must use aftermarket high-flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing. Must have valve spring upgrade. High Performance Valve Spring Kit - B58 Kelford's performance valve spring and titanium retainer kit is designed to work with the B58B30 straight-6 engine. Made using high-performance PACALOY™, this kit is sure to offer outstanding performance. This kit is specifically engineered to work well with their Stage 1, Stage 2, and Stage 3 camshafts to provide exceptional quality, reliability, and performance. 90lb seat pressure at 36.5 mm installed height; 193lb at 11.0 mm valve lift Spring coil bind height at 23.6 mm

Show More Show Less

WPI M57 Connecting Rod Set

T#:37689734

Part#: M57-CR-SET

Ships on Aug 12, 2026

$ 1,749.00 USD

Add to Wish List

Qty

$ 1,749.00 USD

Add to Wish List

MINI R53 R52 W11 Sneed4Speed Forged Street Series Piston Set - Plus S...

T#:19230372

Part#: R53FPS-.5

Ships in 1 Business Day

$ 699.00 USD

Add to Wish List

Qty

$ 699.00 USD

Add to Wish List

"0.50" will be printed on the pistons. Please inspect before install.

MINI R53 R52 W11 Sneed4Speed Forged Street Series Piston Set

A high-performance piston upgrade designed to optimize the engine performance of your Mini R53 or R52 with the W11 engine. Engineered by Sneed4Speed, these forged pistons offer superior strength and durability compared to stock pistons, allowing for higher compression ratios and increased power output. With precision machining and tight tolerances, these pistons ensure optimal fitment and reliable performance under high-stress conditions. Upgrade your Mini's engine with the MINI R53 R52 W11 Sneed4Speed Forged Street Series Piston Set for improved performance and reliability.

High-performance upgrade for Mini R53 or R52 with W11 engine
Forged construction for superior strength and durability
Allows for higher compression ratios and increased power output
Precision machining for optimal fitment
Reliable performance under high-stress conditions

Show More Show Less

JE Piston - BMW S50B30 12.5:1 Piston Single 86.00mm

T#:33679717

Part#: 297183S

In Stock at Vendor

$ 251.99 USD

Add to Wish List

Qty

$ 251.99 USD

Add to Wish List

JE Pistons BMW S50B30 USA Piston - 12.5:1 Compression – 86.00 mm Bore – 1.291 in. CH, -4.70 CC is an advanced performance solution designed for BMW enthusiasts looking to elevate their engine’s power and efficiency. Specifically engineered for the BMW S50B30 engine, these high-compression pistons offer significant increases in horsepower and torque, making them ideal for track or street applications. Available through Turner Motorsport, these pistons provide exceptional durability, precision, and performance under the most demanding conditions.

Show More Show Less

SP Connecting Rod Set, BMW M60 / M62

T#:37149883

Part#: SP-CRS-M60

Ships in 3 Business Days

$ 1,599.99 USD

Add to Wish List

Qty

$ 1,599.99 USD

Add to Wish List

Connecting rods for the BMW M60B30, M60B40, M62B35, M62B44, and M62B46 engines with a 143 mm length

ARP Cylinder Head Stud Kit - Custom Age 625+ - BMW B58 3.0L

T#:47610654

Part#: 401-4701

In Stock at Vendor

20% off MSRP $ 1,027.99

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

$ 822.99 USD

Add to Wish List

Qty

20% off MSRP

$ 1,027.99

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

$ 822.99 USD

Add to Wish List

For engine builders pushing the absolute limits of high-performance engineering, the ARP Custom Age 625+ Cylinder Head Stud Kit represents the pinnacle of fastening technology. While standard aircraft-quality steels and even the renowned ARP2000 alloy are impressive, the proprietary Custom Age 625+ super-alloy provides a massive leap in capability by increasing tensile strength by an additional 40,000 to 60,000 psi. This specialized hardware is engineered specifically for ultra-high-boost applications, offering superior fatigue resistance and the unique ability to maintain its structural integrity under extreme temperatures that would cause lesser materials to weaken.

Show More Show Less

SuperTech Dual Valve Spring Upgrade Kit w/ Steel Retainers - 67lbs - ...

T#:51426477

Part#: SPRKH100DRBMST

Back Ordered

$ 833.99 USD

Add to Wish List

Qty

$ 833.99 USD

Add to Wish List

Crafted from premium Superclean Chrome Silicon Vanadium Steel alloy, these valve springs offer exceptional performance and durability even at high RPMs. CAD engineering ensures that the wire stress levels remain within defined limits for long-lasting durability, even under extreme racing conditions. Advanced computer software allows Supertech to meticulously control harmonics, ensuring optimal performance. Manufactured with high-quality military-certified Steel, the retainers are CNC machined to provide a precise fit, guaranteeing longevity and reliability.

Show More Show Less

JE Pistons BMW S65B40 - 92.50/.827/3.6CC

T#:33512918

Part#: 371715

In Stock at Vendor

$ 1,749.99 USD

Add to Wish List

Qty

$ 1,749.99 USD

Add to Wish List

JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.

Show More Show Less

JE Piston BMW S65B40 - 92.50/.827/12.4CC

T#:33512939

Part#: 371717

In Stock at Vendor

$ 1,749.99 USD

Add to Wish List

Qty

$ 1,749.99 USD

Add to Wish List

JE Pistons are a popular aftermarket upgrade for the S65 engine. JE Pistons specialize in high-performance forged pistons designed to withstand the extreme demands of motorsport and performance builds. When used in the S65, they offer the following benefits: Increased Strength: Forged from aerospace-grade aluminum alloys, JE pistons are much stronger than cast pistons, capable of handling higher compression and power levels. Lightweight Design: They reduce reciprocating mass, improving throttle response and engine revving characteristics. Customizable Compression Ratios: JE Pistons can be tailored to specific performance goals, such as higher compression for naturally aspirated builds or lower compression for turbo or supercharged applications. Improved Durability: JE's pistons are designed to handle high heat and stress, making them ideal for high-revving engines like the S65.

Show More Show Less

SuperTech High Performance Oversized Valve Kit - S58

T#:22427039

Part#: SUP-HPVK-S58+

Ships in 3 Business Days

$ 1,099.99 USD

Add to Wish List

Qty

$ 1,099.99 USD

Add to Wish List

Elevate the performance of your S58 engine with Supertech's oversized valve kit, celebrated for its unmatched reliability and durability even in the most trying conditions. Boasting a size of 31.1mm for intake and 29.5mm for exhaust, their triple groove design ensures unparalleled efficiency. It's worth noting that these valves, being larger in diameter, necessitate additional machining. Included in this kit: 12x Intake Valves 12x Exhaust Valves

Show More Show Less

Project Cars

SELECT YOUR BMW

Sub-Categories

Key Benefits:

MINI R53 R52 W11 Sneed4Speed Forged Street Series Piston Set

Select Vehicle

Category

Brand

Price

Special Offers

Shipping

Purpose

Narrow Results