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 : ccaCL11-551-5 Description : Cam & Lifter Kit; Includes Magnum Marine Camshaft Title : CL11-551-5 Cam and Lifter Kit, CB 280S-10 Advertised Exhaust Duration : 285 Advertised Intake Duration : 280 Basic Operating RPM Range : 2,800-6,300 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Solid Flat Tappet Camshaft Series : Magnum Marine Engine Family : Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) Exhaust Duration at .050 inch Lift : 250 Exhaust Valve Lift : 0.604 Gaskets Included : No Intake Duration at .050 Inch Lift : 242 Intake Valve Lift : 0.575 Kit Type : CL-Kit - Cam and Lifter Kit Lifter Style : Solid Flat Tappet Lifters Included : Yes Locks Included : No Retainers Included : No Timing Chain and Gears Included : No Usage : Marine Valve Stem Seals Included : No Assembly Lubricant Included : Yes Camshaft Gear Attachment : 3-Bolt Camshaft Material : Cast Iron Lobe Separation : 110 Valve Springs Required : Yes Exhaust Duration @ .050 in. : 250 Exhaust Valve Lift(in) : 0.604 Lifter Type : Mechanical Flat Tappet RPM Range : 2000-9000 Exhaust Duration : 285 Intake Valve Lift(in) : 0.575 Intake Duration @ .050 in. : 242 Intake Duration : 280 Engine Components::Camshaft & Lifter Kits