COMP Cams Camshaft CS 47S 290B-6 12-686-47

Part Number: cca12-686-47 Description: Drag Race 4/7 Swap 255/266 Solid Flat Cam for Chevrolet Small Block 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 4 and 7 Swap Firing Order Usage: Strip Cam Type: Solid Flat Tappet Grind Number: 47S 290B-6 Basic Operating RPM Range: 4,000-7000 Intake Duration at .050 Inch Lift: 255 Exhaust Duration at .050 inch Lift: 266 Advertised Intake Duration: 290 Advertised Exhaust Duration: 304 Lobe Separation: 106 Intake Valve Lift: 0.54 Exhaust Valve Lift: 0.534 Lifters Included: No Valve Springs Required: Yes Assembly Lubricant Included: Yes Camshaft Gear Attachment: 3-Bolt Camshaft Material: Cast Iron Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Title: Drag Race 4/7 Swap 255/266 Solid Flat Cam for Chevrolet Small Block Amazon ASIN: B001G7CX1U 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. Exhaust Duration: 304 RPM Range: 3000-9000 Lifter Type: Hydraulic Flat Tappet Intake Duration: 290 Intake Duration @ .050 in.: 255 Intake Valve Lift(in): 0.540 Exhaust Valve Lift(in): 0.534 Exhaust Duration @ .050 in.: 266 Lifter Type: Solid Flat Tappet