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Technical Articles for Part Number CCA-K21-222-4
COMP Cams Xtreme Energy Cam and Lifter Kits K21-222-4
Part Number: CCA-K21-222-4
COMP Cams Xtreme Energy Cam and Lifter Kits
Cam/Lifters/Valvetrain, Hydraulic Flat Tappet, Adv. Duration 262/270, Lift .462/.470, Mopar, 383-440, Kit
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Estimated Ship Date: Dec 14, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K21-222-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K21-222-4
UPC:
036584046639
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
1,300-5,600
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
218
Exhaust Duration at 050 inch Lift:
224
Duration at 050 inch Lift:
218 int./224 exh.
Advertised Intake Duration:
262
Advertised Exhaust Duration:
270
Advertised Duration:
262 int./270 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.462 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.470 in.
Valve Lift with Factory Rocker Arm Ratio:
0.462 int./0.470 exh.
Lobe Separation (degrees):
110
Camshaft Gear Attachment:
1-bolt
Grind Number:
CRB XE262H-10
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.525 in.
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Timing Chain Style:
Double non-roller
Assembly Lubricant Included:
Yes
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
No
Quantity:
Sold as a kit.
Notes:
Pre-1968 engines require different lifters.
COMP Cams Xtreme Energy Cam and Lifter Kits
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.
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Some parts are not legal for use in California or other states with similar laws / regulations
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