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Technical Articles for Part Number CCA-54-474-11
COMP Cams LSR Series Hydraulic Roller Camshafts 54-474-11
Part Number: CCA-54-474-11
COMP Cams LSR Series Hydraulic Roller Camshafts
Camshaft, Hydraulic Roller Tappet, Advertised Duration 301/317, Lift .624/.624, Chevy, Small Block, LS
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
54-474-11
Part Type:
Product Line:
Summit Racing Part Number:
CCA-54-474-11
UPC:
036584195368
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Racing
Basic Operating RPM Range:
2,600-7,000
Intake Duration at 050 inch Lift:
251
Exhaust Duration at 050 inch Lift:
267
Duration at 050 inch Lift:
251 int./267 exh.
Advertised Intake Duration:
301
Advertised Exhaust Duration:
317
Advertised Duration:
301 int./317 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.624 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.624 in.
Valve Lift with Factory Rocker Arm Ratio:
0.624 int./0.624 exh.
Lobe Separation (degrees):
115
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Grind Number:
301LRRHR15
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
Cannot use stock springs. With rectangular CNC port heads on engines over 420 cu. in. Custom computer tuning required.
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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