ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16-20 Thread - 2.00 Effective Stud Length MGSB - Shorter Black boot on

- Shorter Black boot on coil 4

Two swinging trap doors and a built-in baffle provide consistent oil control

Tapered inserts are machined to be within

1 restraint systems offer the best possible protection

Porsche 4-Cylinder / 6-Cylinder

ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16-20 Thread - 2.00 Effective Stud Length MGSB - Shorter Black boot onPro 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).