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Technical Articles for Part Number CCA-54-428-11
COMP Cams XFI RPM High-Lift Camshafts
Camshaft, Hydraulic Roller Tappet, Advertised Duration 281/283, Lift .571/.573, Chevy, Small Block, LS
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
54-428-11
Part Type:
Product Line:
Summit Racing Part Number:
CCA-54-428-11
UPC:
036584068327
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Basic Operating RPM Range:
2,200-7,200
Intake Duration at 050 inch Lift:
228
Exhaust Duration at 050 inch Lift:
230
Duration at 050 inch Lift:
228 int./230 exh.
Advertised Intake Duration:
281
Advertised Exhaust Duration:
283
Advertised Duration:
281 int./283 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.571 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.573 in.
Valve Lift with Factory Rocker Arm Ratio:
0.571 int./0.573 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Grind Number:
XR281HR
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
For use with Fast LSX intakes. Requires custom computer tuning.
COMP Cams XFI RPM High-Lift Camshafts
COMP Cams XFI RPM high-lift cams have been designed to increase horsepower and extend the rpm range of your engine. Made for applications where a high-lift is necessary, these cams have the power to help you meet your performance goals.
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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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