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Technical Articles for Part Number CCA-54-458-11
COMP Cams LSR Series Hydraulic Roller Camshafts
Camshaft, Hydraulic Roller Tappet, Advertised Duration 277/285, Lift .614/.621, Chevy, Small Block, LS
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Overview
Brand:
Manufacturer's Part Number:
54-458-11
Part Type:
Product Line:
Summit Racing Part Number:
CCA-54-458-11
UPC:
036584195221
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street/Strip
Basic Operating RPM Range:
1,900-7,000
Intake Duration at 050 inch Lift:
227
Exhaust Duration at 050 inch Lift:
235
Duration at 050 inch Lift:
227 int./235 exh.
Advertised Intake Duration:
277
Advertised Exhaust Duration:
285
Advertised Duration:
277 int./285 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.614 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.621 in.
Valve Lift with Factory Rocker Arm Ratio:
0.614 int./0.621 exh.
Lobe Separation (degrees):
113
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Grind Number:
277LRHR13
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
Designed for small cu. in. engines. Cannot use stock springs. Requires custom computer tuning. Better flowing exhaust and intake is recommended.
COMP Cams LSR Series Hydraulic Roller Camshafts
COMP Cams LSR Series hydraulic roller camshafts feature modern lobe profiles that take full advantage of high-flowing late model GM LS3 rectangular port cylinder heads. They are tailored for a specific rpm range and usage, from torque to high-rpm horsepower. Give your Chevy LS3 engine a shot in the arm with one of these COMP Cams LSR Series hydraulic roller camshafts.
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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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