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 : ccaCL11-409-8 Description : Cam & Lifter Kit; Includes Nitrous HP Camshaft Title : CL11-409-8 Cam and Lifter Kit, CB NX273HR -13 Advertised Exhaust Duration : 296 Advertised Intake Duration : 273 Basic Operating RPM Range : 1,800-5,800 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Series : Nitrous HP Engine Family : Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) Exhaust Duration at .050 inch Lift : 236 Exhaust Valve Lift : 0.547 Gaskets Included : No Intake Duration at .050 Inch Lift : 224 Intake Valve Lift : 0.537 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 : Street/Strip Valve Stem Seals Included : No Valve Springs Required : Yes Assembly Lubricant Included : No Camshaft Gear Attachment : 3-Bolt Camshaft Material : Austempered Ductile Iron Lobe Separation : 113 Exhaust Valve Lift(in) : 0.547 RPM Range : 1000-7000 Intake Duration : 273 Lifter Type : Hydraulic Roller Intake Duration @ .050 in. : 224 Exhaust Duration : 292 Exhaust Duration @ .050 in. : 236 Intake Valve Lift(in) : 0.537 Engine Components::Camshaft & Lifter Kits