Forged from 4340 Chromoly steel and CNC machined to an exact 1.4:1 ratio!
The rockers feature induction hardened tips, bronze bushings, and H-11 Tool Steel adjusting screws. The absolute strongest adjusting screws available! The rocker arms feature 100% pressure oiling to eliminate the problems associated with splash oiled rockers. The hardened shafts are a gigantic .765" in diameter, 38% larger than stock rocker shafts! The rocker shafts are cradled in forged Chromoly rocker blocks.
Forged 1.4:1 Rocker Arms are shipped in complete sets which includes 8 rockers, 2 shafts, 4 rocker blocks, 4 Heavy Duty Chromoly Rocker Studs, adjusting shims kit, 2 end caps, and 2 bolts, 8 valve caps, 8 adjusting screws and lock nuts.