Comp Cams Xtreme Energy Camshaft & Hydraulic Lifter Kit

Description

Brand: COMP Cams
Manufacturer’s Part Number: SK21-221-4
Part Type: Camshaft Kits
Product Line: COMP Cams Xtreme Energy Cam and Lifter Kits
Automotive Fittings Part Number: CCA-SK21-221-4
UPC: 036584046585
Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 1,000-5,200
Camshaft Use: Street/Strip
Intake Duration at 050 inch Lift: 212
Exhaust Duration at 050 inch Lift: 218
Duration at 050 inch Lift: 212 int./218 exh.
Advertised Intake Duration: 256
Advertised Exhaust Duration: 268
Advertised Duration: 256 int./268 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.447 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.455 in.
Valve Lift with Factory Rocker Arm Ratio: 0.447 int./0.455 exh.
Lobe Separation (degrees): 110
Camshaft Gear Attachment: 1-bolt
Grind Number: CRB XE256H-10
Computer-Controlled Compatible: No
Lifters Included: Yes
Lifter Style: Hydraulic flat tappet
Valve Springs Included: No
Retainers Included: No
Locks Included: No
Valve Stem Seals Included: No
Timing Chain and Gears Included: Yes
Timing Chain Style: Link belt
Assembly Lubricant Included: Yes
Pushrods Included: No
Rocker Arms Included: No
Gaskets Included: No
Valve Springs Required: Yes
Quantity: Sold as a kit.
Notes: Pre-1968 engines require different lifters.
Description:
COMP Cams Xtreme Energy cam and lifter kits are built to take advantage of the latest cam technology and provide maximum performance. Whether your use is off-roading, towing, or street performance, there are Xtreme Energy options available for you. By using an aggressive lobe profile, they provide better throttle response and more top-end horsepower than equivalent kits from other manufacturers, while delivering increased engine vacuum. Order the model designed for your vehicle and engine application.

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