COMP Cams - 12-865-9
Drag Race 278/284 Solid Roller Cam for Chevrolet Small Block
COMP Cams Drag Race 307R-6 Solid Roller Camshaft for Small Block Chevy
Advertised Exhaust Duration: 317
Lobe Separation: 106
Intake Valve Lift: 0.684
Exhaust Valve Lift: 0.66
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
Lifter Type: Solid Roller
Amazon ASIN: B001G7EY62
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: No
C.A.R.B. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
Camshaft Series: Drag Race
Usage: Strip
Cam Type: Solid Roller
Grind Number: 307-R6
Basic Operating RPM Range: 4,500-7800
Intake Duration at .050 Inch Lift: 278
Exhaust Duration at .050 inch Lift: 284
Advertised Intake Duration: 307
