*Thumpr Camshafts* * Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods * Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note * Best with aftermarket converters and more rear gear PartNumber : cca48-600-5 Description : Thumpr Camshaft Title : 48-600-5 CamShaft, 348/409 279T H-107 T THUMPR Intake Valve Lift(in) : 0.512 Usage : Street/Performance Intake Duration : 278 Exhaust Duration : 296 Intake Duration @ .050 in. : 226 Exhaust Duration @ .050 in. : 241 Lifter Type : Hydraulic Flat Tappet RPM Range : 2000-7000 Exhaust Valve Lift(in) : 0.498 Advertised Exhaust Duration : 296 Advertised Intake Duration : 278 Assembly Lubricant Included : Yes California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Flat Tappet Camshaft Gear Attachment : 3-Bolt Camshaft Material : Cast Iron Camshaft Series : Classic Thumpr Engine Family : Chevrolet 348-409 c.i. 8 Cylinder (1958-1965) Exhaust Duration at .050 inch Lift : 241 Exhaust Valve Lift : 0.498 Grind Number : 279TH7 Intake Duration at .050 Inch Lift : 226 Intake Valve Lift : 0.512 Lifter Style : Hydraulic Flat Tappet Lifters Included : No Lobe Separation : 107 Valve Springs Required : Yes 1958-1961 Chevrolet Bel Air Base V8.5704cc Engine Components::Camshafts 1961-1965 Chevrolet Bel Air Base V8.6704cc Engine Components::Camshafts 1958-1961 Chevrolet Biscayne Base V8.5704cc Engine Components::Camshafts 1961-1965 Chevrolet Biscayne Base V8.6704cc Engine Components::Camshafts 1960 Chevrolet Biscayne Fleetmaster V8.-cc Engine Components::Camshafts 1958 Chevrolet Brookwood Base V8.-cc Engine Components::Camshafts 1959-1961 Chevrolet Brookwood Base V8.5704cc Engine Components::Camshafts 1961 Chevrolet Brookwood Base V8.6704cc Engine Components::Camshafts 1958 Chevrolet Del Ray Base V8.5704cc Engine Components::Camshafts 1959-1961 Chevrolet Impala Base V8.5704cc Engine Components::Camshafts 1961-1965 Chevrolet Impala Base V8.6704cc Engine Components::Camshafts 1964-1965 Chevrolet Impala SS V8.-cc Engine Components::Camshafts