Manufacturer's Part Number:
COMP Cams Xtreme Energy Retrofit Camshafts
Summit Racing Part Number:
Hydraulic roller tappet
Basic Operating RPM Range:
Intake Duration at 050 inch Lift:
Exhaust Duration at 050 inch Lift:
Duration at 050 inch Lift:
236 int./242 exh.
Advertised Intake Duration:
Advertised Exhaust Duration:
286 int./294 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
Exhaust Valve Lift with Factory Rocker Arm Ratio:
Valve Lift with Factory Rocker Arm Ratio:
0.569 int./0.548 exh.
Lobe Separation (degrees):
Camshaft Gear Attachment:
Valve Springs Required:
Camshaft Manufacturers Description:
3.91+ gearing, 2800+ stall, 9.5:1+ compression, needs headers. Rough idle.
5 - Requires distributor gear upgrade.
7 - Stock springs cannot be used.
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COMP Cams Xtreme Energy retrofit camshafts are built to take advantage of the latest cam technology, to provide maximum performance. Whether your use is off-roading, towing, or street performance, there is an Xtreme Energy cam available 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.