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Technical Articles for Part Number CCA-SK11-252-4
COMP Cams Xtreme Marine Cam and Lifter Kits SK11-252-4
Part Number: CCA-SK11-252-4
COMP Cams Xtreme Marine Cam and Lifter Kits
Camshaft Kits, Xtreme Marine Cam and Lifter Kits, Hydraulic Flat Tappet, Advertised Duration 298/316, Lift 0.578/0.578, Chevy, GMC, Big Block, Kit
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Estimated Ship Date: Dec 29, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SK11-252-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-SK11-252-4
Item Number:
1647630
UPC:
036584040644
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
3,200-6,800
Camshaft Use:
Marine
Camshaft Manufacturers Description:
Jet w/ B impeller, 10:1+ compression, river drags, bracket racing.
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:
0.578 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.578 in.
Valve Lift with Factory Rocker Arm Ratio:
0.578 int./0.578 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
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 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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