Comp Cams ROCKER ARM,348/409 CHEVY 1.7 ULT.PRO MAG Build Better Studio Base 1980 - 1982 GMC

Base 1980 - 1982 GMC C1500 Suburban Sierra Grande 1980 - 1986 GMC C2500 Sierra Classic

Includes our free 1 Year Warranty (starting from the order date)

Premium 2019 - 2023 Lincoln Nautilus Base

cure KDSS lean

Black Diamond LS 2007 - 2012 Chevrolet Avalanche LS

Comp Cams ROCKER ARM,348/409 CHEVY 1.7 ULT.PRO MAG Build Better Studio Base 1980 - 1982 GMCUltra Pro MagnumT Roller Rocker Arms not only live up to the lofty standards of the original Pro MagnumsT, but they also take stud mount rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases