COMP Cams Camshaft CBVI 283Th R7 Thumper spo-default Each system is built from

Each system is built from premium T-304 stainless steel

Two convenient ports (one pre-tapped) make it easy to monitor boost and/or inject nitrous oxide or another power adder

8 L (td)/V6-3

It is a much more stringent test for safety than the old 29

7L engine applications coming soon

COMP Cams Camshaft CBVI 283Th R7 Thumper spo-default Each system is built fromHydraulic Roller Thumpr : High performance street, stock converter ok, best with 2000+ converter and gears. Choppy thumping idle.; 283 303 Advertised Duration, 227 241 Duration . 050", . 547" . 530" Lift, 107 Lobe Separation; Adjustable valve train required; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump; This Part Fits: Year Make Model Submodel 1996 1997,1999 2000 Chevrolet C2500 Base 1996 1998 Chevrolet C2500