Comp Cams Thumpr Hydraulic Roller Camshaft Ford 351 Windsor # CC35 602 8 Rate_10 These units feature a 100:1 These units feature a 100:1 turns ratio CHEVROLET BLAZER 1992 1994 CHEVROLET C1500 PICKUP 1988 1999 CHEVROLET C1500 SUBURBAN 1992 1997 CHEVROLET C2500 PICKUP 1988 1999 CHEVROLET C2500 SUBURBAN 1992 1999 CHEVROLET C3500 PICKUP 1988 2000 CHEVROLET K1500 PICKUP 1988 1998 CHEVROLET K1500 SUBURBAN 1998 1999 CHEVROLET K2500 PICKUP 1988 1998 CHEVROLET K2500 SUBURBAN 1998 1999 CHEVROLET K3500 PICKUP 1988 1998 CHEVROLET R20 PICKUP 1988 CHEVROLET R2500 PICKUP 1989 CHEVROLET R30 PICKUP 1988 CHEVROLET R3500 PICKUP 1989 1991 CHEVROLET SILVERADO 1500 1999 CHEVROLET TAHOE 1995 2000 CHEVROLET V10 SUBURBAN 1988 CHEVROLET V1500 SUBURBAN 1990 1991 CHEVROLET V20 SUBURBAN 1988 CHEVROLET V2500 SUBURBAN 1989 1991 GMC C1500 PICKUP 1988 1998 GMC C1500 SUBURBAN 1992 1999 GMC C2500 PICKUP 1988 2000 GMC C2500 SUBURBAN 1992 1999 GMC C3500 PICKUP 1988 2000 GMC JIMMY 1988 1991 GMC K1500 PICKUP 1988 1998 GMC K1500 SUBURBAN 1998 1999 GMC K2500 PICKUP 1988 2000 GMC K2500 SUBURBAN 1998 1999 GMC K3500 1988 1998 GMC R2500 PICKUP 1988 1989 GMC R3500 PICKUP 1988 1991 GMC V1500 SUBURBAN 1990 1991 GMC V2500 SUBURBAN 1988 1991 GMC YUKON 1992 2000 GMC YUKON XL 1500 2000 GMC YUKON XL 2500 2000 Advertised Duration: Intake Duration at 050 inch Lift: