COMP Cams Camshaft CS X4 258HR-11 - cca12-409-8

*Xtreme 4x4 Camshafts* * Improved throttle response and increased low & mid-range RPM horsepower for towing and off-road * Designed for use with common restrictive factory exhaust systems, including OEM exhaust manifolds PartNumber : cca12-409-8 Description : Xtreme 4 X 4 Camshaft Title : 12-409-8 CamShaft, CS X4 258HR-11 Advertised Exhaust Duration : 262 Advertised Intake Duration : 258 Assembly Lubricant Included : No Basic Operating RPM Range : 1,000-5,000 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 4x4 Engine Family : Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) Exhaust Duration at .050 inch Lift : 210 Exhaust Valve Lift : 0.458 Grind Number : X4258HR Intake Duration at .050 Inch Lift : 206 Intake Valve Lift : 0.458 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 111 Usage : Street/Performance Valve Springs Required : Yes Cam and Lifter Kit Upgrade : CL12-409-8 K-Kit Upgrade : K12-409-8 SK-Kit Upgrade : SK12-409-8 Intake Duration @ .050 in. : 206 Exhaust Duration : 262 Exhaust Valve Lift(in) : 0.458 Intake Duration : 258 Lifter Type : Hydraulic Roller Exhaust Duration @ .050 in. : 210 RPM Range : 1000-7000 Intake Valve Lift(in) : 0.458 Engine Components::Camshafts