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Technical Articles for Part Number CCA-K12-419-8
COMP Cams Nitrous HP Retrofit Cam and Lifter Kits K12-419-8
Part Number: CCA-K12-419-8
COMP Cams Nitrous HP Retrofit Cam and Lifter Kits
Cam/Lifters/Valvetrain, Hydraulic Roller Tappet, Adv. Duration 288/315, Lift .520/.540, Chevy, Small Block
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Estimated Ship Date: Dec 21, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
K12-419-8
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K12-419-8
UPC:
036584081456
Cam Style:
Hydraulic roller, Retro-fit
Basic Operating RPM Range:
2,400-6,500
Camshaft Use:
Street/Strip
Intake Duration at 050 inch Lift:
236
Exhaust Duration at 050 inch Lift:
248
Duration at 050 inch Lift:
236 int./248 exh.
Advertised Intake Duration:
288
Advertised Exhaust Duration:
315
Advertised Duration:
288 int./315 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.520 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.540 in.
Valve Lift with Factory Rocker Arm Ratio:
0.520 int./0.540 exh.
Lobe Separation (degrees):
113
Grind Number:
CS NX288HR-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 175 shot. 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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