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Technical Articles for Part Number CCA-K31-670-4
COMP Cams Nostalgia Plus Cam and Lifter Kits
Cam/Lifters/Valvetrain, Hydraulic Flat Tappet, Adv. Duration 266/273, Lift .480/.475, Ford, 221-302, Kit
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Estimated Ship Date: Dec 14, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K31-670-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K31-670-4
UPC:
036584081036
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
2,200-6,400
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
219
Exhaust Duration at 050 inch Lift:
226
Duration at 050 inch Lift:
219 int./226 exh.
Advertised Intake Duration:
266
Advertised Exhaust Duration:
273
Advertised Duration:
266 int./273 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.480 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.475 in.
Valve Lift with Factory Rocker Arm Ratio:
0.480 int./0.475 exh.
Lobe Separation (degrees):
112
Grind Number:
FS NOSTALGIA 271H+
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.437 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.
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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