Comp Cams CB 270H CAM & KIT HAL Elite 2500 which may be required for

which may be required for registration purposes

but wiring compatibility depends on your specific truck's electrical configuration

Completely suppresses differential displacement under load – the rear differential stays positioned with absolute precision during hard acceleration

LCD readout and easy programming are built in

❌ Shared port causes data conflicts

Comp Cams CB 270H CAM & KIT HAL Elite 2500 which may be required forHYDRAULIC: Good for daily driven street machine, works with stock converter, likes headers. 396 needs 3. 55 3. 73 gear. Slight rough idle. Vehicle Fitments: Year Make Model Submodel 1965 1975 Chevrolet Bel Air Base 1965 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, Cheyenne, Custom Deluxe, Silverado, Custom 1968 1974 Chevrolet C10