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Technical Articles for Part Number CCA-12-364-4
COMP Cams Xtreme Fuel Injected Camshafts
Camshaft, Hydraulic Flat Tappet, Advertised Duration 252/266, Lift .477/.472, 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:
12-364-4
Part Type:
Product Line:
Summit Racing Part Number:
CCA-12-364-4
UPC:
036584105275
Cam Style:
Hydraulic flat tappet
Camshaft Use:
Street/Strip
Basic Operating RPM Range:
1,300-5,300
Intake Duration at 050 inch Lift:
208
Exhaust Duration at 050 inch Lift:
217
Duration at 050 inch Lift:
208 int./217 exh.
Advertised Intake Duration:
252
Advertised Exhaust Duration:
266
Advertised Duration:
252 int./266 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.477 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.472 in.
Valve Lift with Factory Rocker Arm Ratio:
0.477 int./0.472 exh.
Lobe Separation (degrees):
113
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Grind Number:
252XFI H13
Valve Springs Required:
Yes
Quantity:
Sold individually.
COMP Cams Xtreme Fuel Injected Camshafts
COMP Cams Xtreme fuel injected camshafts are designed for late model applications. Ground using faster-opening and more efficient ramp profiles, Xtreme camshafts are engineered for 1.6 ratio rocker arms and beehive valve springs, which provide a dramatic increase in torque and horsepower.
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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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