Harland Sharp Original SB Chevy Rocker Arm - 1.5 Ratio - 3/8 Stud 31020 The 5622 3-bolt for GM WAR85330 Size:7-1/2 (60) C5 R4 Valve Ignition Wires

The 5622 3-bolt for GM LS7/LS9 is different from the 5621 due to the different sized harmonic balancer bolt

ARP High Performance series connecting rod bolts are made from seamless and defect-free 8740 chromemoly steel

Deep Moderate Exterior Exhaust Tone

and universal 5-6 point system for a fully-adjustable occupant fit

Weld-on bracket has a curved 3/4" slot so rear end remains square as the trailing arm is raised or lowered

Harland Sharp Original SB Chevy Rocker Arm 1.5 Ratio 3 8 Stud 31020 The 5622 3 bolt for GM WAR85330 Size:7 1 2 (60) C5 R4 Valve Ignition Wires The 5622 3 bolt for GM LS7 LS9 is different from the 5621 due to the different sized harmonic balancer bolt ARP High Performance series connecting rod bolts are made from seamless and defect free 8740 chromemoly steel