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Technical Articles for Part Number CCA-CL11-772-8
COMP Cams Xtreme Energy Cam and Lifter Kits
Cam and Lifters, Mechanical Roller Tappet, Advertised Duration 286/292, Lift .653/.660, Chevy, Big Block, Kit
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Estimated Ship Date: Dec 14, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
CL11-772-8
Part Type:
Product Line:
Summit Racing Part Number:
CCA-CL11-772-8
UPC:
036584064039
Cam Style:
Solid roller, Retro-fit
Basic Operating RPM Range:
3,000-7,000
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
248
Exhaust Duration at 050 inch Lift:
254
Duration at 050 inch Lift:
248 int./254 exh.
Advertised Intake Duration:
286
Advertised Exhaust Duration:
292
Advertised Duration:
286 int./292 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.653 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.660 in.
Valve Lift with Factory Rocker Arm Ratio:
0.653 int./0.660 exh.
Lobe Separation (degrees):
110
Intake Valve Lash:
0.016 in.
Exhaust Valve Lash:
0.018 in.
Grind Number:
CB XR286 R-10
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:
No
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
Notes:
Requires thrust button and wear plate.
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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