CompCams Xtreme Energy camshafts have quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve. Increased vacuum allowing a step up in duration for greater performance. CompCam's best seller; excellent all around performance in street carbureted applications. Work best with COMP Cams® roller rockers and matched valve springs. Require other performance parts (intake manifold, headers, etc.) for best performance.
- Cam Style:
- Hydraulic flat tappet
- Basic Operating RPM Range:
- 1,000-5,200
- Intake Duration at .050 inch Lift:
- 212
- Exhaust Duration at .050 inch Lift:
- 218
- Duration at .050 inch Lift:
- 212 int./218 exh.
- Advertised Intake Duration:
- 256
- Advertised Exhaust Duration:
- 268
- Advertised Duration:
- 256 int./268 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.447 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.455 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.447 int./0.455 exh.
- Lobe Separation (degrees):
- 106
- Computer-Controlled Compatible:
- No
- Camshaft Gear Attachment:
- N/A
- Valve Springs Required:
- Yes
- Grind Number:
- CRB XE256H-10
- Camshaft Manufacturers Description:
- HYDRAULIC - Strong Torque Through Low End & Mid-Range - Good Idle
- Quantity:
- Sold individually.
- Make:
- Mopar
- Engine Family:
- Mopar big block B
- Engine Sizes:
- 6.3L/383-6.6L/400
- Years:
- 1959-1978
- Engine Family:
- Mopar big block RB
- Engine Sizes:
- 6.3L/383-7.2L/440
- Years:
- 1959-1979
