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Technical Articles for Part Number CCA-CL21-670-4
COMP Cams Nostalgia Plus Cam and Lifter Kits CL21-670-4
Part Number: CCA-CL21-670-4
COMP Cams Nostalgia Plus Cam and Lifter Kits
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 280/287, Lift .474/.474, Mopar, Big Block, Kit
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
CL21-670-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-CL21-670-4
UPC:
036584081234
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
2,000-6,000
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
233
Exhaust Duration at 050 inch Lift:
240
Advertised Intake Duration:
280
Advertised Exhaust Duration:
287
Intake Valve Lift with Factory Rocker Arm Ratio:
0.474 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.474 in.
Valve Lift with Factory Rocker Arm Ratio:
0.474 int./0.474 exh.
Lobe Separation (degrees):
110
Camshaft Gear Attachment:
1-bolt
Grind Number:
PP280H
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
Yes
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
Notes:
Pre-1968 engines require different lifters.
COMP Cams Nostalgia Plus Cam and Lifter Kits
Famous factory camshafts of the past are combined with the latest advanced camshaft technology to give you the sound and excitement of the musclecar era. COMP Cams Nostalgia Plus cam and lifter kits are specifically designed to capture the essence of the original '60s musclecar with additional power that you can feel in the seat of your pants. The new technology creates awesome response to give new life to any hot rod.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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