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ARP Main Stud/Bolt Kits BMW

Brand: ARP | Category: Fasteners

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Fitments

BMW
More Information Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
Click For More Info 1977 - 1983 320I ALL ALL ALL ALL ALL ALL
Click For More Info 2000 - 2000 323CI ALL ALL ALL ALL ALL ALL
Click For More Info 1998 - 2000 323I ALL ALL ALL ALL ALL ALL
Click For More Info 1998 - 1999 323IS ALL ALL ALL ALL ALL ALL
Click For More Info 1992 - 1992 325I ALL ALL ALL ALL M50 ALL
Click For More Info 1992 - 1992 325IS ALL ALL ALL ALL ALL ALL
Click For More Info 2000 - 2000 328CI ALL ALL ALL ALL ALL ALL
Click For More Info 1996 - 2000 328I ALL ALL ALL ALL ALL ALL
Click For More Info 1996 - 1999 328IS ALL ALL ALL ALL ALL ALL
Click For More Info 1991 - 1995 525I ALL ALL ALL ALL ALL ALL
Click For More Info 1993 - 1995 525IT ALL ALL ALL ALL ALL ALL
Click For More Info 1997 - 1998 528I ALL ALL ALL ALL ALL ALL
Click For More Info 1988 - 1991 M3 ALL ALL ALL ALL ALL ALL
Click For More Info 1994 - 1995 M3 ALL ALL ALL ALL ALL ALL US Spec Engine
Click For More Info 1996 - 1999 M3 ALL ALL ALL ALL ALL ALL US Spec Engine
Click For More Info 2001 - 2006 M3 ALL ALL ALL ALL ALL ALL
Click For More Info 1997 - 2000 Z3 ALL ALL ALL ALL M52 ALL
Click For More Info 1998 - 2000 Z3 M COUPE
M ROADSTER
L6 3.2 ALL S52 ALL US Spec Engine
Click For More Info 2001 - 2002 Z3 M COUPE
M ROADSTER
L6 3.2 N S54 GAS
Click For More Info 2006 - 2008 Z4 M COUPE
M ROADSTER
L6 3.2 N S54 GAS

Product Description

Main Studs
There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel-ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. The studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others.

Main Bolts
Far superior to any other main bolt kit offered for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly, all bolts feature generous under-head radius and rolled threads for the utmost reliability. The threads are rolled after heat-treating, which makes them about 1000% longer fatigue life than most main bolts, which are threaded prior to heat-treating. Available in the popular High Performance Series, which, at a nominal rating of 180,000 psi, is a premium replacement for OEM fasteners, or the 200,000 psi nominal rated Pro Series, application-specific main bolts with reduced wrenching head and are designed for use in competition applications. Parallel-ground, hardened washers are included with each kit.

Product Reviews

STRONG!, Friday, August 14, 2009

These have held up to tons of boost in my honda, no prblems. All my buddies run these.

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