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Technical Articles for Part Number CCA-CL11-243-4
COMP Cams Xtreme Energy 4x4 Cam and Lifter Kits CL11-243-4
Part Number: CCA-CL11-243-4
COMP Cams Xtreme Energy 4x4 Cam and Lifter Kits
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 278/288, Lift .564/.570, Chevy, Big Block, Kit
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Estimated Ship Date: Mar 30, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
CL11-243-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-CL11-243-4
UPC:
036584040873
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
2,000-6,200
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
234
Exhaust Duration at 050 inch Lift:
244
Duration at 050 inch Lift:
234 int./244 exh.
Advertised Intake Duration:
278
Advertised Exhaust Duration:
288
Advertised Duration:
278 int./288 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.564 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.570 in.
Valve Lift with Factory Rocker Arm Ratio:
0.564 int./0.570 exh.
Lobe Separation (degrees):
111
Grind Number:
X4 278H
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:
No
Assembly Lubricant Included:
Yes
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
COMP Cams Xtreme Energy 4x4 Cam and Lifter Kits
COMP Cams Xtreme Energy 4x4 cam and lifter kits are built to take advantage of the latest cam technology to provide maximum performance and low-end torque for your vehicle. Whether your use is off-roading or towing, there is an Xtreme 4x4 for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.
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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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