PRODUCT DESCRIPTION
Advertised Duration 256/268, Lift .447/.455
Cam/Lifters/Valvetrain, Hydraulic Flat Tappet, Adv. Duration 256/268, Lift .447/.455, Mopar, 273-360, Kit
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):
110
Grind Number:
CRS XE256H-10
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in):
1.494 in.
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Timing Chain Style:
Link belt
Assembly Lubricant Included:
Yes
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
No
Quantity:
Sold as a kit.
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.
