COMP Cams Camshaft CB XR252HR-10 - cca11-407-8

*Xtreme Energy Camshafts* * Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve * More vacuum allows an increase in duration for improved performance and assists power brakes * Excellent performance in street carbureted applications * Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc. PartNumber : cca11-407-8 Description : Xtreme Energy Camshaft Title : 11-407-8 CamShaft, CB XR252HR-10 Advertised Exhaust Duration : 258 Advertised Intake Duration : 252 Assembly Lubricant Included : No Basic Operating RPM Range : 600-4,600 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Gear Attachment : 3-Bolt Camshaft Material : Austempered Ductile Iron Camshaft Series : Xtreme Energy Engine Family : Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) Exhaust Duration at .050 inch Lift : 206 Exhaust Valve Lift : 0.51 Grind Number : XR252HR Intake Duration at .050 Inch Lift : 200 Intake Valve Lift : 0.51 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 110 Usage : Street/Performance Valve Springs Required : Yes Cam and Lifter Kit Upgrade : CL11-407-8 K-Kit Upgrade : K11-407-8 SK-Kit Upgrade : SK11-407-8 Exhaust Duration @ .050 in. : 206 Intake Duration @ .050 in. : 200 Intake Valve Lift(in) : 0.510 Lifter Type : Hydraulic Roller RPM Range : 0-6750 Exhaust Duration : 258 Exhaust Valve Lift(in) : 0.51 Intake Duration : 252 Engine Components::Camshafts