ARP Main Stud Kit 2Bolt Main 12Point Head

SKU: 03YMM | MPN:  193-5402
In stock
Sale price$66.73 USD Regular price$115.01 USD
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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.

  • Main Stud Kit 2Bolt Main 12Point Head




Vehicle Fitments:

Year Make Model Submodel
2005 - 2007 Buick LaCrosse CXS, CXL, CX
1996 - 2005 Buick LeSabre Custom, Limited
2006 - 2007 Buick Lucerne CXL, CX, CXS
1995 - 2005 Buick Park Avenue Ultra, Base
1998 Buick Regal 25th Anniversary Edition
1996 Buick Regal Gran Sport, Limited, Custom, Olympic Gold Edition
2000 Buick Regal GSE, LSE
1997 - 2004 Buick Regal LS, GS
1995 - 1997 Buick Riviera Base
1995 - 2002 Chevrolet Camaro Base, Z28
1996 - 1998 Chevrolet Camaro Lujo
1996 - 1997 Chevrolet Camaro RS
1998 - 2002 Chevrolet Camaro Z28 SS
2003 Chevrolet Impala LS Sport
2000 - 2005 Chevrolet Impala LS, Base
2003 - 2005 Chevrolet Impala Police
2004 - 2005 Chevrolet Impala SS
1998 - 1999 Chevrolet Lumina LS, LTZ, Base
1999 Oldsmobile 88 50th Anniversary Edition
1995 - 1999 Oldsmobile 88 Royale LS, Royale
1995 Oldsmobile 88 Royale LSS
1995 - 1996 Oldsmobile 98 Regency Elite
1996 - 1999 Oldsmobile LSS Base
1997 - 1998 Oldsmobile Regency Base
1997 - 2007 Pontiac Grand Prix GT
2004 Pontiac Grand Prix GT1, GT2
1997 - 2005 Pontiac Grand Prix GTP
2005 - 2007 Pontiac Grand Prix GXP, Base
1997 - 2003 Pontiac Grand Prix SE

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