ARP Main Stud Kit 2Bolt Main Audi 100 Quattro All 1989-1991

SKU: 04LH1 | MPN:  204-5404
Usually Ships in 10-14 Days
Sale price$203.29 USD

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




Vehicle Fitments:

Year Make Model Submodel
1989 - 1991 Audi 100 Base
1989 Audi 100 E
1989 - 1991 Audi 100 Quattro Base
1989 - 1991 Audi 200 Base
1991 Audi 200 Quattro 20v, 20v Avant, Avant
1989 - 1991 Audi 200 Quattro Base
1984 - 1986 Audi 4000 S
1986 - 1987 Audi 4000 Quattro CS
1984 - 1987 Audi 4000 Quattro S
1986 - 1988 Audi 5000 CS
1985 Audi 5000 CS Turbo
1981 - 1988 Audi 5000 S
1981 - 1985 Audi 5000 S Turbo, Base
1986 - 1988 Audi 5000 Quattro CS
1987 - 1988 Audi 5000 Quattro S
1991 - 1992 Audi 80 Base
1988 - 1992 Audi 80 Quattro Base
1988 - 1991 Audi 90 Base
1990 - 1991 Audi 90 Quattro 20v
1988 - 1989 Audi 90 Quattro Base
1981 - 1985 Audi Coupe Base
1986 - 1987 Audi Coupe GT
1990 - 1991 Audi Coupe Quattro 20v
1983 - 1985 Audi Quattro Base

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