ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16"-20 Thread - 1.90" Effective Stud Length 2070042 Shoulder Harness Pads are easy

Shoulder Harness Pads are easy to install

55" bolt-in

Drop-Forged Steel Hardware

Filters fit Allstar paper and washable 14" air cleaners

Impala or Buick engine it will require a crankshaft hub G

ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16"-20 Thread - 1.90" Effective Stud Length 2070042 Shoulder Harness Pads are easyPro series rocker arm studs are made from 8470 chromemoly steel and are heat treated to 200 000 psi tensile strength. Studs are concentric within . 005 T. I. R. thread pitch to thread pitch which gives you more consistent rocker geometry. Extra large radius base studs are more resistant to flex and will provide a more positive seating. Rocker arm studs were designed for use with Perma Loc adjusters (not for use with OEM style self locking nuts). Since