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 : ccaCL01-461-8 Description : Cam & Lifter Kit; Includes Xtreme Marine Camshaft Title : CL01-461-8 Cam and Lifter Kit, CBVI XM308HR 12 Advertised Exhaust Duration : 314 Advertised Intake Duration : 308 Basic Operating RPM Range : 3,500-6,500 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Series : Xtreme Marine Engine Family : Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1966-1999) Exhaust Duration at .050 inch Lift : 260 Exhaust Valve Lift : 0.575 Gaskets Included : No Intake Duration at .050 Inch Lift : 254 Intake Valve Lift : 0.575 Kit Type : CL-Kit - Cam and Lifter Kit Lifter Style : Hydraulic Roller Lifters Included : Yes Locks Included : No Retainers Included : No Timing Chain and Gears Included : No Usage : OEM Valve Stem Seals Included : No Assembly Lubricant Included : No Camshaft Gear Attachment : 3-Bolt Camshaft Material : Austempered Ductile Iron Lobe Separation : 112 Valve Springs Required : Yes Intake Duration @ .050 in. : 254 Intake Valve Lift(in) : 0.575 Lifter Type : Hydraulic Roller RPM Range : 3000-9000 Exhaust Valve Lift(in) : 0.575 Intake Duration : 308 Exhaust Duration : 314 Exhaust Duration @ .050 in. : 260 Engine Components::Camshaft & Lifter Kits