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Technical Articles for Part Number CCA-12-851-9
COMP Cams Xtreme RX Oval Track Roller Camshafts 12-851-9
Part Number: CCA-12-851-9
COMP Cams Xtreme RX Oval Track Roller Camshafts
Camshaft, Mechanical Roller, Duration 298 Int./305 Exh., Lift 0.648 Int./0.651 Exh., Lobe Separation 106, Chevy, SBC, 262-400, Each
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
12-851-9
Part Type:
Product Line:
Summit Racing Part Number:
CCA-12-851-9
UPC:
036584015734
Cam Style:
Solid roller, Retro-fit
Camshaft Use:
Drag race
Basic Operating RPM Range:
5,600-8,600
Intake Duration at 050 inch Lift:
265
Exhaust Duration at 050 inch Lift:
272
Duration at 050 inch Lift:
265 int./272 exh.
Advertised Intake Duration:
298
Advertised Exhaust Duration:
305
Advertised Duration:
298 int./305 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.648 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.651 in.
Valve Lift with Factory Rocker Arm Ratio:
0.648 int./0.651 exh.
Lobe Separation (degrees):
106
Camshaft Gear Attachment:
3-bolt
Remanufactured:
No
Computer-Controlled Compatible:
No
Grind Number:
CS 298RX-6
Valve Springs Required:
Yes
Quantity:
Sold individually.
COMP Cams Xtreme RX Oval Track Roller Camshafts
COMP Cams Xtreme RX oval track roller camshafts are the way to go for maximum performance with reduced friction. These roller cams use COMP's RX intake and RZ exhaust profiles to provide the ultimate in high-rpm power and durability! COMP Cams Xtreme RX oval track roller cams are available in standard and custom grinds to meet your needs.
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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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