COMP Cams offers complete component-matched valve train kits that deliver unbeatable performance, durability and ease of installation. All cam kits are fully tested and manufactured to the strictest standards. Each kit’s components were specifically chosen as the best performance match for that particular camshaft so that you can reap the benefits of a perfectly matched “Power Engineered System.” *CL-Kit Cam & Lifter Kit Includes* * Camshaft * Lifters * Assembly Lube * Decals * Instructions PartNumber : ccaCL54-428-11 Description : Cam & Lifter Kit; Includes Xtreme RPM High Lift Camshaft Title : CL54-428-11 Cam and Lifter Kit, LS1 XR281HR- 12 Intake Duration @ .050 in. : 228 Exhaust Duration : 283 Exhaust Duration @ .050 in. : 230 Usage : Street/Performance Exhaust Valve Lift(in) : 0.573 Intake Duration : 281 RPM Range : 2200-7000 Lifter Type : Hydraulic Roller Intake Valve Lift(in) : 0.571 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Gaskets Included : No Lifters Included : Yes Locks Included : No Retainers Included : No Timing Chain and Gears Included : No Valve Stem Seals Included : No K-Kit Upgrade : K54-428-11 2004-2005 Cadillac CTS V V8.-cc Engine Components::Camshaft & Lifter Kits 2006 Cadillac CTS V V8.5967cc Engine Components::Camshaft & Lifter Kits 1998-2002 Chevrolet Camaro Z28 V8.-cc Engine Components::Camshaft & Lifter Kits 1998-2002 Chevrolet Camaro Z28 SS V8.-cc Engine Components::Camshaft & Lifter Kits 2003 Chevrolet Corvette 50th Anniversary Edition V8.-cc Engine Components::Camshaft & Lifter Kits 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car V8.-cc Engine Components::Camshaft & Lifter Kits 1997-2005 Chevrolet Corvette Base V8.-cc Engine Components::Camshaft & Lifter Kits 2006 Chevrolet Corvette Base V8.5967cc Engine Components::Camshaft & Lifter Kits 1998 Chevrolet Corvette Indianapolis 500 Pace Car V8.-cc Engine Components::Camshaft & Lifter Kits 2001-2004 Chevrolet Corvette Z06 V8.-cc Engine Components::Camshaft & Lifter Kits 2006 Chevrolet Impala SS V8.5328cc Engine Components::Camshaft & Lifter Kits 2006 Chevrolet Monte Carlo SS V8.5328cc Engine Components::Camshaft & Lifter Kits 2005-2006 Chevrolet SSR Base V8.-cc Engine Components::Camshaft & Lifter Kits 2005-2006 Chevrolet SSR Base V8.5967cc Engine Components::Camshaft & Lifter Kits 2006 Chevrolet Trailblazer SS V8.5967cc Engine Components::Camshaft & Lifter Kits 1998-2002 Pontiac Firebird Formula V8.-cc Engine Components::Camshaft & Lifter Kits 1998-2002 Pontiac Firebird Trans Am V8.-cc Engine Components::Camshaft & Lifter Kits 2005-2006 Pontiac Grand Prix GXP V8.5328cc Engine Components::Camshaft & Lifter Kits 2004 Pontiac GTO Base V8.-cc Engine Components::Camshaft & Lifter Kits 2005-2006 Pontiac GTO Base V8.5967cc Engine Components::Camshaft & Lifter Kits