COMP Cams Ultra Pro Magnum Roller Rocker Arms 7/16 Stud Dia, 1.7 Ratio CO1620-16

Ultra Pro Magnum Roller Rocker Arms 7/16" Stud Dia, 1.7 RatioSuit Big Block Chevy 396 - 454
Brand: COMP
Part Number: CO1620-16
Description:

• Investment cast 8650 chromemoly body and arched, web - like design deliver increased strength and rigidity while reducing moment of inertia
• Unique black oxide exterior finish helps prevent corrosion, thus increasing durability
• Optimised retainer and valve spring clearances allow use of most diameter springs, retainers and +.050" locks without clearance or fitment issues
• Feature oversized trunions, precision - sorted needle bearings and hardened roller tips