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Technical Articles for Part Number CCA-12-850-9
COMP Cams Oval Track Camshafts
Camshaft, Mechanical Roller Tappet, Advertised Duration 294/301, Lift .648/.648, Chevy 1957-98 Small Block, Each
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
12-850-9
Part Type:
Product Line:
Summit Racing Part Number:
CCA-12-850-9
UPC:
036584015727
Cam Style:
Solid roller, Retro-fit
Camshaft Use:
Drag race
Basic Operating RPM Range:
5,500-8,500
Intake Duration at 050 inch Lift:
261
Exhaust Duration at 050 inch Lift:
268
Duration at 050 inch Lift:
261 int./268 exh.
Advertised Intake Duration:
294
Advertised Exhaust Duration:
301
Advertised Duration:
294 int./301 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.648 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.648 in.
Valve Lift with Factory Rocker Arm Ratio:
0.648 int./0.648 exh.
Lobe Separation (degrees):
106
Camshaft Gear Attachment:
3-bolt
Intake Valve Lash:
0.020 in.
Exhaust Valve Lash:
0.022 in.
Remanufactured:
No
Computer-Controlled Compatible:
No
Grind Number:
294RX-6
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
For use in blocks modified for 50mm roller cam bearings.
COMP Cams Oval Track Camshafts
COMP Cams oval track camshafts are designed specifically for racing applications. They are available to complement a variety of engine configurations, track lengths, and conditions--simply order the model that fits the needs of your particular make and model. Before you start the next oval track race, install the winning camshaft edge from COMP Cams.
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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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