ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16"-20 Thread - 1.90" Effective Stud Length BR10053 Zamp RZ Series

Zamp RZ Series

1974-1987 Buick LeSabre

and are available in 8740 chrome moly with a black oxide finish or rust-proof stainless steel

1200 lb/hr at 40 psi

Black-oxide coated chromemoly intake manifold bolts are rated at 170/000 psi

ARP Pro Series Rocker Arm Stud Kit - SB Chevy - 7/16"-20 Thread - 1.90" Effective Stud Length BR10053 Zamp RZ SeriesPro 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