Mobile Navigation
1-800-843-2821
CUSTOMER SUPPORT

Comp Cams Xtreme Energy Camshaft

Item #: COMK21-221-4

Price: $563.99

Quantity:

PRODUCT DESCRIPTION

Advertised Duration 256/268, Lift .447/.455

Cam/Lifters/Valvetrain, Hydraulic Flat Tappet, Adv. Duration 256/268, Lift .447/.455, Mopar, 383-440, 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

Camshaft Gear Attachment: 1-bolt

Grind Number: CRB XE256H-10

Computer-Controlled Compatible: No

Lifters Included: Yes

Lifter Style: Hydraulic flat tappet

Valve Springs Included: Yes

Outside Diameter of Outer Spring (in): 1.475 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.

Notes: Single-bolt camshaft.

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.