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Technical Articles for Part Number CCA-K12-415-8
COMP Cams Nitrous HP Retrofit Cam and Lifter Kits K12-415-8
Part Number: CCA-K12-415-8
COMP Cams Nitrous HP Retrofit Cam and Lifter Kits
Cam/Lifters/Valvetrain, Hydraulic Roller Tappet, Adv. Duration 276/288, Lift .502/.520, Chevy, Small Block
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Estimated Ship Date: Dec 14, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K12-415-8
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K12-415-8
UPC:
036584081449
Cam Style:
Hydraulic roller, Retro-fit
Basic Operating RPM Range:
2,000-6,000
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
224
Exhaust Duration at 050 inch Lift:
236
Duration at 050 inch Lift:
224 int./236 exh.
Advertised Intake Duration:
276
Advertised Exhaust Duration:
288
Advertised Duration:
276 int./288 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.502 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.520 in.
Valve Lift with Factory Rocker Arm Ratio:
0.502 int./0.520 exh.
Lobe Separation (degrees):
113
Grind Number:
CS NX276HR-13
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic roller
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.430 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:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
No
Quantity:
Sold as a kit.
Notes:
Designed for nitrous systems with 125 shot or a small supercharger. Retro-fit: Designed for early non-roller blocks. Requires thrust button and wear plate.
COMP Cams Nitrous HP Retrofit Cam and Lifter Kits
Get more power from your nitrous system! Comp Cams Nitrous HP retrofit cam and lifter kits are designed to work with your nitrous system. Their unique intake lobes allow your engine cylinders to fill better, for more complete combustion. Meanwhile, their exhaust lobes are spread to decrease overlap and ensure maximum scavenging of your combustion chamber. The bottom line is an increased power boost from your nitrous system without any loss of throttle response or torque in street applications.
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Some parts are not legal for use in California or other states with similar laws / regulations
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