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Technical Articles for Part Number CCA-SK12-771-8
COMP Cams Xtreme Energy Cam and Lifter Kits SK12-771-8
Part Number: CCA-SK12-771-8
COMP Cams Xtreme Energy Cam and Lifter Kits
Camshaft Kits, Xtreme Energy Cam and Lifter Kits, Solid Roller, Retro-fit, Advertised Duration 280/286, Lift 0.570/0.576, Chevy, GMC, Small Block, Kit
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Estimated Ship Date: Dec 14, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SK12-771-8
Part Type:
Product Line:
Summit Racing Part Number:
CCA-SK12-771-8
UPC:
036584083054
Cam Style:
Solid roller, Retro-fit
Basic Operating RPM Range:
500-6,500
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
242
Exhaust Duration at 050 inch Lift:
248
Duration at 050 inch Lift:
242 int./248 exh.
Advertised Intake Duration:
280
Advertised Exhaust Duration:
286
Advertised Duration:
280 int./286 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.570 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.576 in.
Valve Lift with Factory Rocker Arm Ratio:
0.570 int./0.576 exh.
Lobe Separation (degrees):
110
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Mechanical roller
Valve Springs Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
Yes
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
COMP Cams Xtreme Energy Cam and Lifter Kits
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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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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