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Technical Articles for Part Number CCA-12-244-20
COMP Cams Xtreme Marine Camshafts
Camshafts, Xtreme Marine, Hydraulic Flat Tappet, Advertised Duration 278/292, Lift 0.498/0.500, Chevy, Excalibur, GMC, Isuzu, Chevy Small Block, Each
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
12-244-20
Part Type:
Product Line:
Summit Racing Part Number:
CCA-12-244-20
UPC:
036584191681
Cam Style:
Hydraulic flat tappet
Camshaft Use:
Marine
Basic Operating RPM Range:
2,000-6,200
Intake Duration at 050 inch Lift:
234
Exhaust Duration at 050 inch Lift:
244
Duration at 050 inch Lift:
234 int./244 exh.
Advertised Intake Duration:
278
Advertised Exhaust Duration:
292
Advertised Duration:
278 int./292 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.498 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.500 in.
Valve Lift with Factory Rocker Arm Ratio:
0.498 int./0.500 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Grind Number:
CS XM 278H-12
Valve Springs Required:
Yes
Quantity:
Sold individually.
COMP Cams Xtreme Marine Camshafts
COMP Cams Xtreme Marine camshafts take advantage of the newest developments in camshaft engineering. Their aggressive lobe design produces better throttle response and top-end horsepower than other cams with the same duration at .050 in., while delivering increased engine vacuum. These cams are available for everything from pleasure boats to race applications, so you can always enjoy Xtreme performance on the water. From hydraulic and mechanical, to flat and roller tappet, COMP Cams offers camshafts for your watercraft dating as far back as the 1950s.
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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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