ARP Rocker Arm Stud Kits | Multiple Chevrolet Fitments (134-7221)
ARP Rocker Arm Stud Kits | Multiple Chevrolet Fitments (134-7221)
SKU:134-7221
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The ARP Rocker Arm Stud Kit is a high-performance component designed for Chevrolet engines, suitable for ET bracket racing, limited rule oval track competition, or street use. Crafted from 8740 chromoly steel and heat-treated to 180,000 psi tensile strength, these studs offer exceptional durability and strength under demanding conditions. The kit features precise concentricity within .005 T.I.R. and a thread pitch to thread pitch consistency, ensuring reliable and stable rocker arm geometry. The extra-large radius base enhances resistance to flex and provides a more positive seating, contributing to improved valve train stability and performance. These studs are engineered to withstand high-stress environments, making them ideal for performance enthusiasts seeking durability and precision.
Designed for Chevrolet engines, these ARP rocker arm studs are compatible with various models requiring high-strength, reliable mounting solutions. They are suitable for applications involving racing, track days, or street performance where consistent valve operation is critical. The studs are a direct replacement for stock components, offering an easy bolt-on upgrade that enhances overall engine reliability. The kit includes the necessary studs and hardware for installation, ensuring a straightforward upgrade process. Suitable for use in high-performance builds, these studs help maintain optimal rocker arm alignment and longevity under aggressive driving conditions.
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Overview
Overview
Rocker Arm Stud Kit by ARP
ARP High Performance Series rocker arm studs are ideal for ET bracket racing, limited rule oval track competition, or street use. Made from 8740 chromoly steel and are heat-treated to 180,000 psi tensile strength, they are concentric within .005 T.I.R. thread pitch to thread pitch, which will give you more consistent rocker geometry. With an extra-large radius base, they are more resistant to flex and will provide a more positive seating. These rocker arm studs are designed to be used with Perma-Loc adjusters (not for use with OEM-style, self-locking nuts).
Features
- Base Thread Size: M8 x 1.25
- Rocker Arm Nut Thread Size: 3/8 in.-24
- Guideplate Locator Shank: Yes
- Rocker Arm Nut Thread Length (in.): 0.850 in.
- Effective Stud Length (in.): 1.750 in.
- Base Thread Length (in.): 0.600 in.
Benefits
- Ideal for ET bracket racing
- Limited rule oval track competition
- Heat-treated to 180,000 psi tensile strength
- Made from 8740 chromoly steel
Please Note: Machine work is required
Applications
- 1966 - 1969 Chevrolet Camaro
- 1968 - 1973 Chevrolet Chevelle
- 1968 - 1973 Chevrolet Nova
- 1971 - 1972 Pontiac Ventura
- 1976 - 1992 Chevrolet Camaro
- 1977 - 1993 Chevrolet Caprice
- 1977 - 1985 Chevrolet Impala
- 1980 Chevrolet Corvette (California only)
- 1976 - 1988 Chevrolet Malibu, Chevrolet El Camino/GMC Caballero, and Chevrolet Monte Carlo
- 1976 - 1979 Chevrolet Monza
- 1976 - 1979 Chevrolet Nova (also GM X-body clones after 1976)
- 1977 - 2003 Chevrolet/GMC Trucks, SUVs, Vans
- 1978 - 1987 Buick Regal
- 1975 - 1979 Buick Skylark
- 1991 - 1992 Cadillac Brougham
- 1977 - 1981 Checker Marathon
- 1991 - 1992 Oldsmobile Custom Cruiser
- 1977 Oldsmobile Omega
- 1978 - 1980 Oldsmobile Cutlass (U.S. market only, Canadian market 1978 - 1987)
- 1977 - 1981 Pontiac Catalina (B-body)
- 1977 - 1981 Pontiac Bonneville (B-body)
- 1982 - 1986 Pontiac Bonneville (G-body)
- 1977 - 1992 Pontiac Firebird
- 1981 - 1987 Pontiac Grand Prix
- 1978 - 1981 Pontiac Grand LeMans (A/G-body, includes Grand Am)
- 1982 - 1986 Pontiac Parisienne (B-body)
- 1982 - 1986 Pontiac Parisienne Safari (B-body wagon)
- 1979 Pontiac Sunbird
What's In The Box?
- 2 - Studs
Warranty
- Manufacturers Standard Warranty
