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Technical Articles for Part Number CCA-K12-366-4
COMP Cams Xtreme Fuel Injection Cam and Lifter Kits K12-366-4
Part Number: CCA-K12-366-4
COMP Cams Xtreme Fuel Injection Cam and Lifter Kits
Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 268/280, Lift .520/.515, 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:
K12-366-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K12-366-4
UPC:
036584116592
Cam Style:
Hydraulic flat tappet
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:
231
Duration at 050 inch Lift:
224 int./231 exh.
Advertised Intake Duration:
268
Advertised Exhaust Duration:
280
Advertised Duration:
268 int./280 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.520 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.515 in.
Valve Lift with Factory Rocker Arm Ratio:
0.520 int./0.515 exh.
Lobe Separation (degrees):
113
Grind Number:
268XFIH13
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.240 in.
Retainers Included:
Yes
Locks Included:
Yes
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
Yes
Timing Chain Style:
Double 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 Xtreme Fuel Injection Cam and Lifter Kits
COMP Cams Xtreme fuel injection cam and lifter kits are designed for late model applications, muscle, sports cars, trucks, and more. Ground using faster-opening and more efficient ramp profiles, the kits include a matched set of COMP Cams High Energy lifters to maximize efficiency. If you're working with fuel injection, get the most power out of your engine with COMP Cams Xtreme fuel injection cam and lifter kits. Order the model tailored for your vehicle and engine specs.
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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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