ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16"-20 Thread - 1.90" Effective Stud Length 3550224-13 Dual Bushing Style

Dual Bushing Style

The AERO mudbuster is a beadlock ring/mudcover combo

Dirt Works upper

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ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16"-20 Thread - 1.90" Effective Stud Length 3550224-13 Dual Bushing StylePro 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