ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16-20 Thread - 2.00 Effective Stud Length H762001M Kit includes a steel retaining

Kit includes a steel retaining nut

1/2 in Hole

It provides your engine with the largest amount of high-flowing air

Brushless Spur Pro+

including your factory tank

ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16-20 Thread - 2.00 Effective Stud Length H762001M Kit includes a steel retainingPro 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).