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Engine Hardware

Most engine hardware including head studs, VANOS bolts, and exhaust studs can only be used once. While most of the accessory bolts and miscellaneous hardware can be re-used it is often handy to have a spare bolt or bracket just in case one breaks. Any aluminum bolt, such as those found in the N52 engine MUST be replaced no matter the age or visual condition.
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ARP Connecting Rod Bolt Set - S54 (M10, 02/2003- Production)
ARP Connecting Rod Bolt Set - S54 (M10, 02/2003- Production) ...
ARP - Corporate Logo
T#:2206
Part#: 201-6102
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$ 116.99 USD
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Set of 12 ProSeries ARP2000 connecting rod bolts for the Euro-spec M3 engine. Made by ARP, the world leader in fastener technology. The best rod bolts available for the Euro S50 and S54. Ideal for ultra high performance, racing & forced induction applications. Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in professional motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods.

This set replaces the factory BMW Euro S50B30 and B32 rod bolts with part number 11-24-1-317-184 (11241317184) and 11-24-1-405-890 (11241405890). It's also used for S54 engines with stock M10 sized rod bolts, which were used from February 2003 production and later. It was also used in earlier engines that had connecting rods replaced. For these 2001-2003 models there is no easy way to check if the rods were replaced, except by checking the rod bolt diameter. If your car has the earlier M11 sized bolt, use ARP kit #201-6103 . Before opening the ARP kit, we recommend that you check your existing rod bolt size as BMW was not consistent with their applications. ARP bolts are not returnable if the package has been open.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

These ARP connecting rod bolts fit the following BMWs:
1993-1999 E36 BMW Euro M3
2001-2/2003 E46 M3 coupe / convertible*
2/2003-2006 E46 M3 coupe / convertible
2001-2002 MZ3 M Roadster & M Coupe*
2006-2008 MZ4 M Roadster & M Coupe
* - these engines could have either M10 or M11 sized bolts. If the rods and rod bearings were replaced under recall by BMW it should have the newer M10 bolts and this is the correct ARP set to order.
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ARP Connecting Rod Bolt Kit - M52, M54B30, N20, N26, N54, N55, B46, B48, B58, S55
ARP Connecting Rod Bolt Kit - M52, M54B30, N20, N26, N54, N55, B46, B...
ARP - Corporate Logo
T#:3315
Part#: 201-6303
Back Ordered
$ 212.99

This product was last offered at the strikethrough price on
04-02-2026

$ 194.99 USD
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$ 194.99 USD
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Set of 12 ProSeries connecting rod bolts, made by ARP -- the world leader in fastener technology. Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods. These are simply the best connecting rod bolts available, making them ideal for ultra high performance, racing and forced induction applications.

This set replaces the 47mm length factory BMW rod bolts with part number 11-24-7-589-671 (11247589671) Check applications before ordering! Opened ARP bolt kits are not
returnable.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

This item fits the following BMWs:
1999-2005 E46 BMW 328i 328ci 330i 330ci 330xi
2001-2003 E39 BMW 530i
2004-2005 E60 BMW 530i
2004-2006 E83 BMW X3 3.0i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 3.0i
2003-2005 Z4 BMW Z4 3.0i
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ARP Steel Block Head Stud Kit for M50/M52 & S50/S52 (US Spec)
ARP Steel Block Head Stud Kit for M50/M52 & S50/S52 (US Spec) ...
ARP - Corporate Logo
T#:3606
Part#: 201-4302
In Stock
19% off MSRP $ 295.92

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

$ 240.99 USD
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19% off MSRP
$ 295.92

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

$ 240.99 USD
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Virtually every top professional BMW engine builder relies on ARP Pro Series head studs. ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Each stud is heat-treated to 200,000 psi, ensuring complete heat penetration. ARP studs are threaded after heat-treat, which gives them 1000% (that's ten times!) better fatigue strength than studs threaded prior to heat-treat. Threading the studs after heat-treating is more difficult and costly (as it's harder on tooling) but the results are well worth the effort. These simply are the best head studs we've found for the E36 6 cylinder engines, and we highly recommend them in both the racing and forced induction arena. (Due to the additional clamping force between the head and block, these are IDEAL for turbo charging and supercharging!)

Converting from the factory BMW head bolts to head studs makes it much easier to assemble an engine, especially a racing powerplant which must be serviced frequently (and quickly!), and also ensures proper alignment of the head and gasket. Head studs also provide more accurate and consistent torque loading. Here's why: When you use bolts to secure the head, the fastener is actually being "twisted" while it's being torqued to the proper reading. Accordingly, the bolt is reacting to two different forces simultaneously. A head stud should be installed in a "relaxed" mode -- never crank it in tightly using a jammed nut. If everything is right, the stud should be installed finger tight. Then, when applying torque to the nut, the stud will stretch only on the vertical axis. An information sheet is provided with each set. Kit includes everything pictured -- 14 head bolts, washers, bolts and assembly lubricant.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

These head studs fit the following BMWs/engines (steel block only)
1992-1995 M50 6 cylinder including 325i, 325is and 525i
1996-1999 M52 6 cylinder including 328i, 328is, 323is, 528i
1995-1995 S50US 3.0 liter including 1995 M3 (US only)
1996-1999 S52US 3.2 liter including 1996-1999 M3 (US) and MZ3
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ARP Connecting Rod Bolt Kit - E9X M3 S65
ARP Connecting Rod Bolt Kit - E9X M3 S65
ARP - Corporate Logo
T#:2434
Part#: 201-6001
In Stock
$ 533.99

This product was last offered at the strikethrough price on
02-28-2026

$ 460.99 USD
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$ 460.99 USD
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NEW & REVISED!!! ARP has released a new version of their race-grade M3 connecting rod bolts and its better than ever before. If you're replacing your rod bearings these rod bolts are far superior to standard the OE BMW fasteners in terms of durability and ability to withstand stresses. This set of rod bolts is made specifically for the S65 4.0 liter V8, as found in the 2008-2013 M3 and replaces the previous ARP kit part number RBK_S65.
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ARP Connecting Rod Bolt Kit for E46 M3, MZ3 (M11 Size)
ARP Connecting Rod Bolt Kit for E46 M3, MZ3 (M11 Size)
ARP - Corporate Logo
T#:2211
Part#: 201-6103
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$ 215.99 USD
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$ 215.99 USD
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Set of 12 ProSeries connecting rod bolts, made by ARP -- the world leader in fastener technology. Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods. These are simply the best connecting rod bolts available, making them ideal for ultra high performance, racing and forced induction applications.

These bolts are M11 size to replace the stock M11 BMW bolt part number 11-24-7-834-310 (11247834310). The M11 bolt size was used in S54 engines up to 2/2003 production. However, most S54 engines up to that point had their rod bearings replaced under a factory recall and some may have had new connecting rods installed at the same time (or even a new engine altogether). The new bolts installed in these earlier engines are M10 size. Unfortunately, there is no way of knowing which rod or bolt is currently in your car (unless your car came with service records detailing when and what was replaced). The only sure way to know is to check the bolts currently installed in your engine. If yours was updated to the M10 sized bolt, use ARP kit #201-6102 . ARP bolts are not returnable if the pacakge has been open.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

These ARP connecting rod bolts fit the following BMWs:
2001-2/2003 E46 M3 coupe / convertible
2001-2002 MZ3 M Roadster & M Coupe
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BE Bearings Connecting Rod Bolt Upgrade Set - BMW S85B50
BE Bearings Connecting Rod Bolt Upgrade Set - BMW S85B50
BE Bearings - Corporate Logo
T#:403657
Part#: BE-CRB50-S85
In Stock
$ 369.00 USD
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$ 369.00 USD
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Designed by BE Bearings, manufactured by ARP.  These custom made rod bolts are designed to be used on BMW factory connecting rods.  BE Bearings worked with ARP to come up with custom rod bolt torque specifications to ensure minimal rod big end bore distortion.  Their bolts have been measured and verified to guarantee minimal bore distortion, and stay within the ARP torque specification.

Technical Details:

  • Composition:   ARP2000®
  • Yield strength:   200,000 PSI
  • Tensile strength:   220,000 PSI
  • Torque specification:   50 Ft/Lbs, or 0.0065-0.0070 inch stretch

Fits the following BMWs:
2005-2010 E60 BMW M5
2005-2010 E63/64 BMW M6

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ARP Connecting Rod Bolt Kit - E36 M3 S50/S52 (US only), E46 323/325
ARP Connecting Rod Bolt Kit - E36 M3 S50/S52 (US only), E46 323/325 ...
ARP - Corporate Logo
T#:2210
Part#: 201-6201
Ships on Aug 10, 2026
$ 222.99 USD
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$ 222.99 USD
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Set of 12 ProSeries connecting rod bolts, made by ARP -- the world leader in fastener technology. Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods. These are simply the best connecting rod bolts available, making them ideal for ultra high performance, racing and forced induction applications.

This set replaces the factory BMW rod bolt number 11-24-1-739-728 (11241739728) which measures 44mm in length. The 44mm BMW rod bolt was used on all US spec E36 M3 (3.0 and 3.2 liter), 1999-2000 E46 323i/323Ci, 2001-2005 325i/325Ci, Z3 1.9,2.5 and 3.2, as well as Z4 2.5. It was also used on SOME of the M50 2.5 liter engines from 1992-1995 -- but check before ordering! Opened ARP bolt kits are not returnable. If your M50 2.5 liter engine has 53mm rod bolts, you will require kit part# 201-6301 instead.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

These ARP connecting rod bolts fit the following BMWs:
1992-1995 E36 325i/is *** with 44mm rod bolts only ***
1995-1995 E36 M3 S50 3.0 liter (US model)
1996-1999 E36 M3 S52 3.2 liter (US model)
1999-2000 E46 323i & 323Ci (US)
2001-2005 E46 325i, 325xi & 325Ci (US)
1998-2002 Z3 2.3 / 2.5 liter
1998-2000 MZ3 M Roadster & M Coupe
2003-2005 Z4 2.5 liter
*** DOES NOT FIT E36 328 ****
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ARP Connecting Rod Bolt Kit for E36 325 with 53mm Rod Bolt
ARP Connecting Rod Bolt Kit for E36 325 with 53mm Rod Bolt
ARP - Corporate Logo
T#:2186
Part#: 201-6301
In Stock at Vendor
20% off MSRP $ 243.99

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

$ 194.99 USD
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20% off MSRP
$ 243.99

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

$ 194.99 USD
Free Shipping
Add to Wish List
Set of 12 ProSeries connecting rod bolts, made by ARP -- the world leader in fastener technology. Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods. These are simply the best connecting rod bolts available, making them ideal for ultra high performance, racing and forced induction applications.

This set replaces the 53mm length factory BMW rod bolts with part number 11-24-1-713-342 (11241713342) which was used on SOME of the M50 2.5 liter engines from 1992-1995. Check before ordering! Opened ARP bolt kits are not returnable. If your M50 2.5 liter engine has 44mm rod bolts, you will require kit part# 201-6201 instead.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

These ARP connecting rod bolts fit the following BMWs:
1992-1995 E36 325i/is *** with 53mm rod bolts only ***
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ARP Connecting Rod Bolt Kit for E30 M3 2.3 liter
ARP Connecting Rod Bolt Kit for E30 M3 2.3 liter
ARP - Corporate Logo
T#:2187
Part#: 201-6104
In Stock at Vendor
$ 175.99 USD
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$ 175.99 USD
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Set of 8 Pro-Series connecting rod bolts, made by ARP -- the world leader in fastener technology. ARP Pro Series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. Heat-treated with threads which are rolled to provide up to ten times more fatigue strength, these rod bolts are far superior to standard OEM BMW fasteners in terms of durability and ability to withstand stresses. This rod bolt set is specifically for the E30 M3 S14 2.3 liter engine.

Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods. These are simply the best connecting rod bolts available, making them ideal for ultra high performance, racing and forced induction applications.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

These ARP connecting rod bolts fit the following BMWs:
1988-1991 E30 M3 - S14 4 cylinder
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Cam Sprocket Bolt Kit for MINI W10 W11 1.6L Engine
Cam Sprocket Bolt Kit for MINI W10 W11 1.6L Engine
ARP - Corporate Logo
T#:26404847
Part#: 206-1001
In Stock
$ 38.99 USD
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$ 38.99 USD
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Enhance the strength and reliability of your Mini's engine with the ARP Main Stud Kit. Engineered to exceed aerospace specifications, these main studs provide superior durability and performance for your engine build. Prevent camshaft flex and ensure optimal torque down for all main caps with ARP's high-quality hardware.

Benefits:

  • Exceeds aerospace specifications for superior strength
  • Prevents camshaft flex for improved engine performance
  • Ensures optimal torque down for all main caps
  • Complete kit includes main bolts and hardened washers for convenience
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Pro Series Connecting Rod Bolts N12 N14 N16 N18 1.6L Engine
Pro Series Connecting Rod Bolts N12 N14 N16 N18 1.6L Engine
ARP - Corporate Logo
T#:594611
Part#: 201-6305
In Stock
$ 84.99 USD
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$ 84.99 USD
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Upgrade your MINI Cooper's engine with Pro Series Connecting Rod Bolts designed for N12, N14, N16, and N18 1.6L engines. Crafted from hardened ultra-strength steel by ARP, these rod bolts play a crucial role in maximizing the power output of your engine. Whether you're keeping your MINI stock or pushing it to higher power levels, these bolts ensure sufficient strength and durability for your bottom end.

  • Hardened ultra-strength steel construction
  • Compatible with OEM connecting rods or aftermarket options with similar through-bolt fastening
  • Essential upgrade for maximizing power output and ensuring engine longevity
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HEAD STUD KIT - BMW S85
HEAD STUD KIT - BMW S85
ARP - Corporate Logo
T#:20089537
Part#: ARP-HSK-S85
Ships in 6 Business Days
$ 579.99 USD
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$ 579.99 USD
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ARP V8 Rod Bolt Kit - S62 - E39, E52
ARP V8 Rod Bolt Kit - S62 - E39, E52
ARP - Corporate Logo
T#:54139642
Part#: 201-6307
Special Order: No Guaranteed ETA
New Item
20% off MSRP $ 190.99

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

$ 152.99 USD
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20% off MSRP
$ 190.99

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

$ 152.99 USD
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The ARP kit utilizes premium material and exacting tolerances to drastically increase the reliability of the S62 rod cap joint. By maintaining strict clamping continuity, oil clearance remains consistent, protecting your crankshaft and rod journals on the track.
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Torx Head Collared Bolt - Priced Each
Torx Head Collared Bolt - Priced Each
Genuine Volkswagen Audi - Corporate Logo
T#:31622621
Part#: WHT001230
Ships in 1-2 days
9% off MSRP $ 10.99

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$ 9.99 USD
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9% off MSRP
$ 10.99

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$ 9.99 USD
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ARP Crank Pulley Bolt Kit - B58
ARP Crank Pulley Bolt Kit - B58
ARP - Corporate Logo
T#:54104145
Part#: 201-2501
Ships on Aug 10, 2026
New Item
20% off MSRP $ 65.99

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

$ 52.99 USD
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20% off MSRP
$ 65.99

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

$ 52.99 USD
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Secure your timing, protect your investment, and push your B58 to the limit with the reliability of ARP.
ARP M3 M11-1.25 X 1.600 Rod Bolt Kit - E30 - S14
ARP M3 M11-1.25 X 1.600 Rod Bolt Kit - E30 - S14
ARP - Corporate Logo
T#:54139646
Part#: 301-6032
Ships on Aug 10, 2026
New Item
18% off MSRP $ 21.99

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

$ 17.99 USD
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18% off MSRP
$ 21.99

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

$ 17.99 USD
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the BMW S14 engine factory rod bolts are a notorious weak link when pushing past the original redline. Inertial forces at high RPM place immense tensile stress on the connecting rods, making heavy-duty hardware an absolute necessity.
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M9 X 1.25 BMW 328 E46 Rod Bolt Kit
M9 X 1.25 BMW 328 E46 Rod Bolt Kit
ARP - Corporate Logo
T#:54139644
Part#: 301-6022
Ships on Aug 10, 2026
New Item
20% off MSRP $ 19.99

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

$ 15.99 USD
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20% off MSRP
$ 19.99

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$ 15.99 USD
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Engineered from proprietary ARP2000® alloy, these M9 x 1.25 fasteners provide the massive clamping force needed to keep the rod journals perfectly round and seated, even when bouncing off the rev limiter lap after lap.
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