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Technical Articles for Part Number CCA-11-239-3
COMP Cams Xtreme Energy 4x4 Camshafts
Camshaft, Hydraulic Flat Tappet, Advertised Duration 270/278, Lift .544/.564, Chevy, Big Block, Each
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Estimated Ship Date: Oct 30, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11-239-3
Part Type:
Product Line:
Summit Racing Part Number:
CCA-11-239-3
UPC:
036584038580
Cam Style:
Hydraulic flat tappet
Camshaft Use:
Street/Strip
Basic Operating RPM Range:
1,600-5,800
Intake Duration at 050 inch Lift:
226
Exhaust Duration at 050 inch Lift:
234
Duration at 050 inch Lift:
226 int./234 exh.
Advertised Intake Duration:
270
Advertised Exhaust Duration:
278
Advertised Duration:
270 int./278 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.544 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.564 in.
Valve Lift with Factory Rocker Arm Ratio:
0.544 int./0.564 exh.
Lobe Separation (degrees):
111
Remanufactured:
No
Computer-Controlled Compatible:
No
Grind Number:
CB X4 270H-11
Valve Springs Required:
Yes
Quantity:
Sold individually.
COMP Cams Xtreme Energy 4x4 Camshafts
COMP Cams Xtreme Energy 4x4 camshafts 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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