Chev Big Block Mark V ARP High Performance Series Rocker Arm Studs # 135-7122 Rate_10 1955-1957 Chevy: 265-400

1955-1957 Chevy: 265-400

CHEVROLET 350

Smooth operation for the front

Throttle Body Actuation:

Chev Big Block Mark V ARP High Performance Series Rocker Arm Studs # 135-7122 Rate_10 1955-1957 Chevy: 265-400Chev Big Block Mark V ARP High Performance Series Rocker Arm Studs # 135 7122 Rocker Arm Stud Kit, High Performance, Mark V, Pair ARP High Performance series rocker arm studs are ideal for ET bracket racing, limited rule oval track competition, and street use. They are made from 8740 chromoly steel and are heat treated to 180,000 psi tensile strength. These studs are concentric within . 005 T. I. R. thread pitch to thread pitch, which will give you