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Fitment and Product InformationXtreme Energy 212/218 Hydraulic Roller Cam For Chevy Small BlockProduct DetailsBrand: Comp Cams Part #: 12-412-8 UPC: 00036584025139 Features and Specifications Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains in torque and horsepower while still delivering adequate vacuum for power brakes and other vacuum dependent accessories. Xtreme Energy camshafts work great in carbureted applications, but offer the best performance with aftermarket intake manifolds, lower gear ratios, headers and free flowing exhaust. Mild performance applications, very good mid-range, 3.23-3.73 gears. Features: Camshaft Series: Xtreme Energy Usage: Street/Performance Cam Type: Hydraulic Roller Grind Number: XR264HR Basic Operating RPM Range: 1,200-5,200 Intake Duration at .050 Inch Lift: 212 DD Exhaust Duration at .050 inch Lift: 218 DD Advertised Intake Duration: 264 DD Advertised Exhaust Duration: 270 DD Lobe Separation: 110 DD Intake Valve Lift: 0.487 IN Exhaust Valve Lift: 0.495 IN Lifters Included: No Valve Springs Required: Yes Assembly Lubricant Included: No Camshaft Gear Attachment: 3-Bolt Camshaft Material: Austempered Ductile Iron Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) Cam and Lifter Kit Upgrade: CL12-412-8 K-Kit Upgrade: K12-412-8 Lifter Type: Hydraulic Roller SK-Kit Upgrade: SK12-412-8 C.A.R.B. Exempt for On-Road Vehicles?: No WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. For more information go to
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