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Technical Articles for Part Number CCA-K12-552-4
COMP Cams Nitrous HP Cam and Lifter Kits K12-552-4
Part Number: CCA-K12-552-4
COMP Cams Nitrous HP Cam and Lifter Kits
Cam, Lifters, Valvetrain, Hydraulic Flat Tappet, Duration 256/268, Lift .434/.464, Chevy, Small Block, Kit
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Estimated Ship Date: Dec 14, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K12-552-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K12-552-4
UPC:
036584034131
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
1,200-5,600
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
Works well in near stock engines with up to 125 hp nitrous kits.
Intake Duration at 050 inch Lift:
212
Exhaust Duration at 050 inch Lift:
222
Duration at 050 inch Lift:
212 int./222 exh.
Advertised Intake Duration:
256
Advertised Exhaust Duration:
268
Advertised Duration:
256 int./268 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.434 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.464 in.
Valve Lift with Factory Rocker Arm Ratio:
0.434 int./0.464 exh.
Lobe Separation (degrees):
113
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
Yes
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Assembly Lubricant Included:
Yes
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
COMP Cams Nitrous HP Cam and Lifter Kits
COMP Cams Nitrous HP cam and lifter kits are designed to work with your nitrous system to get more power from your engine. The unique intake cam lobes allow your engine cylinders to fill better for more complete combustion. While, the 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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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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