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Technical Articles for Part Number HPC-150-3103
Camshaft, Hydraulic Roller Tappet, 292 int./294 exh. Advertised Duration, 0.548 int./0.510 exh. Lift, 108 Lobe Separation, Retro, Chevy, Each
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Estimated Ship Date: Nov 30, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
150-3103
Part Type:
Product Line:
Summit Racing Part Number:
HPC-150-3103
Cam Style:
Hydraulic roller, Retro-fit
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
SBC 377 to 390 CID AFR 190 to 210 Head Max Power 6200 rpm Peak torque 3600.
Intake Duration at 050 inch Lift:
233
Exhaust Duration at 050 inch Lift:
235
Duration at 050 inch Lift:
233 int./235 exh.
Advertised Intake Duration:
292
Advertised Exhaust Duration:
294
Advertised Duration:
292 int./294 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.548 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.510 in.
Valve Lift with Factory Rocker Arm Ratio:
0.548 int./0.510 exh.
Lobe Separation (degrees):
108
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Grind Number:
HR-9294-8-CSR
Valve Springs Required:
Yes
Quantity:
Sold individually.
Clay Smith Cams Camshafts
The Mr. Horsepower legend began in the early 1930s with camshafts that were hand-ground by Clay Smith to high performance specifications. The legacy lives on today through Clay Smith Cams. These camshafts are the perfect choice for your next engine rebuild or upgrade. They're are available in a wide range of profiles to improve airflow—whether you're drag racing, sled pulling, daily driving, or towing 30,000 lbs. in the mountains. Choose the style and specs recommended for your vehicle and engine application. Clay Smith camshafts deliver performance!
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Some parts are not legal for use in California or other states with similar laws / regulations
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