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Technical Articles for Part Number CCA-146-458-11
COMP Cams LSR Series Hydraulic Roller Camshafts 146-458-11
Part Number: CCA-146-458-11
COMP Cams LSR Series Hydraulic Roller Camshafts
Camshaft, Hydraulic Roller Tappet, Advertised Duration 277/293, Lift .614/.624, Chevy, LSA, LS3, LS9, Each
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Estimated Ship Date: Oct 23, 2026
Overview
Brand:
Manufacturer's Part Number:
146-458-11
Part Type:
Product Line:
Summit Racing Part Number:
CCA-146-458-11
UPC:
036584197638
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:
243
Duration at 050 inch Lift:
227 int./243 exh.
Advertised Intake Duration:
277
Advertised Exhaust Duration:
293
Advertised Duration:
277 int./293 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.614 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.624 in.
Valve Lift with Factory Rocker Arm Ratio:
0.614 int./0.624 exh.
Lobe Separation (degrees):
113
Camshaft Gear Attachment:
1-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Grind Number:
277LRRHR13
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
For use on models without variable valve timing or active fuel management. Requires engine tuning.
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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Some parts are not legal for use in California or other states with similar laws / regulations
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