Comp Cams Rocker Arms CS 1.6 3/8 Ultra Pro Mag ROAM Dealer Portal Sierra Grande 1976 - 1978

Sierra Grande 1976 - 1978 GMC K25 Sierra Classic

- Adjustable Ride Height

Glove Box Blackout Keyhole Decal Kit

Average build time 5-6wks

050" Lift: 243(Intake)/ 257(Exhaust)

Comp Cams Rocker Arms CS 1.6 3/8 Ultra Pro Mag ROAM Dealer Portal Sierra Grande 1976 - 1978Ultra 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