ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16"-20 Thread - 2.10" Effective Stud Length 57600BK Kits include a high flowing

Kits include a high flowing dropped base with matching lid and a sure seal spacer with an integrated O-ring for a positive seal on carburetors with a 5-1/8" neck

windshield washers

Seat Bracket

Features Include:

ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16"-20 Thread - 2.10" Effective Stud Length 57600BK Kits include a high flowingPro 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).