Drag Race 246/253 H-Flat Pontiac 265-455

Comp Cams Drag Race 246/253 Hydraulic Flat Cam for Pontiac 265-455 - 51-316-4 Rough idle, 3500+ stall, 10:1+ compression, 4:10 or lower gear ratio. PRODUCT NOTES: Camshaft Series - Drag Race Usage - Street/Strip Cam Type - Hydraulic Flat Tappet Grind Number - 296AH-8 Basic Operating RPM Range - 3,000-6,000 R3 Intake Duration at .050 Inch Lift - 246 DD Exhaust Duration at .050 inch Lift - 253 DD Advertised Intake Duration - 296 DD Advertised Exhaust Duration - 305 DD Lobe Separation - 108 DD Intake Valve Lift - 0.562 IN Exhaust Valve Lift - 0.577 IN Lifters Included - No Valve Springs Required - Yes Assembly Lubricant Included - Yes Camshaft Gear Attachment - 1-Bolt Camshaft Material - Cast Iron Lifter Type - Hydraulic Flat Tappet California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Title - Drag Race 246/253 Hydraulic Flat Cam for Pontiac 265-455 Amazon ASIN - B000P5GEDM 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 Engine Family - Pontiac 265-455 C.I. 8 Cylinder (1955-1981)