COMP Cams Camshaft Kit CB Nx279HR-13 K11-411-8 AJT DESIGN Base 1968 - 1974 GMC

Base 1968 - 1974 GMC K35/K3500 Pickup Base 1979 - 1986 GMC K3500 High Sierra

By adding the APPS / TPS Signal Conditioner the signal to the TCM will not be as dramatic

you will need to go to a wider axle or wheel spacers

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High Sierra 1979 - 1980 GMC K2500 Sierra Grande 1983 - 1986 GMC K2500 Suburban Sierra Classic

COMP Cams Camshaft Kit CB Nx279HR-13 K11-411-8 AJT DESIGN Base 1968 - 1974 GMCCOMP Cams Camshafts K11 411 8 CamShaft Kit, CB NX279HR 13 High performance street with 150+ hp nitrous kit or small supercharger, 2400+ stall and lower gears. COMP Cams Camshaft Kit CB Nx279HR 13 Vehicle Fitments: Year Make Model Submodel 1967 1975 Chevrolet Bel Air Base 1967 1972 Chevrolet Biscayne Base 1973 1974 Chevrolet Blazer Base 1969 1972 Chevrolet Brookwood Base 1978 1980 Chevrolet C10 Big Ten 1975 1980 Chevrolet C10 Scottsdale, Silverado,