COMP Cams Camshaft LS1 283T HR-109 MT T - cca54-601-11

*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 : cca54-601-11 Description : Mutha Thumpr Camshaft Title : 54-601-11 CamShaft, LS1 283T HR-109 MT THUMPR Exhaust Duration : 303 Exhaust Duration @ .050 in. : 241 Exhaust Valve Lift(in) : 0.546 Intake Duration @ .050 in. : 227 Usage : Street/Strip Lifter Type : Hydraulic Roller RPM Range : 2200-7200 Intake Valve Lift(in) : 0.563 Intake Duration : 283 Advertised Exhaust Duration : 303 Advertised Intake Duration : 283 Assembly Lubricant Included : No Basic Operating RPM Range : 2,300-6,600 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Gear Attachment : 3-Bolt Camshaft Material : Billet Steel Camshaft Series : Thumpr Engine Family : GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015) Exhaust Duration at .050 inch Lift : 241 Exhaust Valve Lift : 0.546 Grind Number : 283THR9 Intake Duration at .050 Inch Lift : 227 Intake Valve Lift : 0.563 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 109 Valve Springs Required : Yes 1998-2002 Chevrolet Camaro Z28 V8.-cc Engine Components::Camshafts 1998-2002 Chevrolet Camaro Z28 SS V8.-cc Engine Components::Camshafts 2003 Chevrolet Corvette 50th Anniversary Edition V8.-cc Engine Components::Camshafts 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car V8.-cc Engine Components::Camshafts 1997-2004 Chevrolet Corvette Base V8.-cc Engine Components::Camshafts 1998 Chevrolet Corvette Indianapolis 500 Pace Car V8.-cc Engine Components::Camshafts 2001-2004 Chevrolet Corvette Z06 V8.-cc Engine Components::Camshafts 1998-2002 Pontiac Firebird Formula V8.-cc Engine Components::Camshafts 1998-2002 Pontiac Firebird Trans Am V8.-cc Engine Components::Camshafts 2004 Pontiac GTO Base V8.-cc Engine Components::Camshafts