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Technical Articles for Part Number CCA-K34-254-5
COMP Cams Xtreme Marine Cam and Lifter Kits K34-254-5
Part Number: CCA-K34-254-5
COMP Cams Xtreme Marine Cam and Lifter Kits
Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 298/316, Lift .585/.588, Ford, 429/460, Kit
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Estimated Ship Date: Dec 11, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K34-254-5
Part Type:
Product Line:
Summit Racing Part Number:
CCA-K34-254-5
UPC:
036584040378
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
2,500-6,800
Camshaft Use:
Marine
Intake Duration at 050 inch Lift:
254
Exhaust Duration at 050 inch Lift:
264
Duration at 050 inch Lift:
254 int./264 exh.
Advertised Intake Duration:
298
Advertised Exhaust Duration:
316
Advertised Duration:
298 int./316 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.585 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.588 in.
Valve Lift with Factory Rocker Arm Ratio:
0.585 int./0.588 exh.
Lobe Separation (degrees):
112
Grind Number:
XM298H
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in.):
1.509 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 Marine Cam and Lifter Kits
COMP Cams Xtreme marine cam and lifter kits take advantage of the newest developments in camshaft design. Their aggressive lobe design produces better throttle response and top-end horsepower than other systems with the same duration at .050 in., while delivering increased engine vacuum. These kits are available for everything from pleasure boats to race applications, so you can always have Xtreme performance on the water.
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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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