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.” *SK-Kit - Small Kit Includes* * Camshaft * Lifters * Timing Chain Set * Assembly Lube * Decals * Instructions PartNumber : ccaSK08-417-8 Description : Small Kit; Includes Xtreme Marine Camshaft Title : SK08-417-8 CamShaft Kit, CS XR270HR-12 Advertised Exhaust Duration : 276 Advertised Intake Duration : 270 Basic Operating RPM Range : 1,200-5,200 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Series : Xtreme Marine Engine Family : Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998) Exhaust Duration at .050 inch Lift : 224 Exhaust Valve Lift : 0.503 Gaskets Included : No Intake Duration at .050 Inch Lift : 218 Intake Valve Lift : 0.495 Kit Type : SK-Kit - Small Kit Lifter Style : Hydraulic Roller Lifters Included : Yes Locks Included : No Pushrods Included : No Retainers Included : No Timing Chain and Gears Included : Yes Usage : Marine 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 Exhaust Duration : 276 Exhaust Valve Lift(in) : 0.503 Exhaust Duration @ .050 in. : 224 Lifter Type : Hydraulic Roller Intake Valve Lift(in) : 0.495 Intake Duration : 270 RPM Range : 1000-7000 Intake Duration @ .050 in. : 218 Engine Components::Camshafts