Comp Cams Xtreme 4x4 Camshaft, A6 X4250H-13 Invidia Exhaust welding or permanent modifications need

welding or permanent modifications need to be made to the vehicle

Verify your specific tonneau model clears the cap profile before final purchase—some covers require the cap to remain open during tonneau operation

z-index: 20

Sierra Classic 1979 - 1982 GMC C3500 Sierra Grande 1973 - 1987 GMC Jimmy Base 1975 - 1985 GMC Jimmy High Sierra 1975 - 1987 GMC Jimmy Sierra Classic 1975 - 1982 GMC Jimmy Sierra Grande 1986 GMC Jimmy Silverado 1978 - 1982 GMC Jimmy Street Coupe 1987 - 1991 GMC R1500 Suburban Base 1987 GMC R1500 Suburban High Sierra 1987 - 1989 GMC R1500 Suburban Sierra Classic 1990 GMC R1500 Suburban SLE 1987 - 1991 GMC R3500 Base 1987 - 1989 GMC R3500 High Sierra

Comp Cams Xtreme 4x4 Camshaft, A6 X4250H-13 Invidia Exhaust welding or permanent modifications needXtreme 4x4 Camshaft, A6 X4250H 13 Hydraulic Great Torque and Smooth idle for fuel injected. Grind Number: X4250H 13 Lifter Type: Hydraulic Lifter Engine Family: American Motors 199 258 c. i. 6 CYL. 1964 1997 Cam Family: Xtreme 4x4T Hydraulic Flat Tappet Camshafts for fuel injected Specifications Intake Exhaust RPM Range: Valve Lash: Valve Timing: Duration: Lobe Separation: Duration @ . 050" Lift: Intake Centerline: Valve Lift: Lobe Lift: Vehicle