COMP Cams 51-224-4 Xtreme Energy 230/236 Hydraulic Flat Cam for Pontiac 265-455

With 230 degrees intake and 236 degrees exhaust duration at .050 inch lift, the COMP Cams Xtreme Energy model 51-224-4 is a hydraulic flat tappet camshaft engineered for Pontiac 265-455 engines. This performance-oriented grind delivers strong mid-range characteristics suitable for street applications with headers and 2200+ stall converters. The camshaft operates from 1,800 to 6,000 RPM and features cast iron construction with a 1-bolt gear attachment.

• Engine Family: Pontiac 265-455 C.I. 8 Cylinder (1955-1981)
• Grind Number: XE274H
• Camshaft Series: Xtreme Energy
• Usage: Street/Performance
• Cam Type: Hydraulic Flat Tappet
• Basic Operating RPM Range: 1,800-6,000 RPM
• Intake Duration at .050 Inch Lift: 230 deg
• Exhaust Duration at .050 inch Lift: 236 deg
• Advertised Intake Duration: 274 deg
• Advertised Exhaust Duration: 286 deg
• Lobe Separation: 110 deg
• Intake Valve Lift: 0.488 IN
• Exhaust Valve Lift: 0.491 IN
• Lifters Included: No
• Camshaft Material: Cast Iron
• Lifter Type: Hydraulic Flat Tappet
• Camshaft Gear Attachment: 1-Bolt
• Assembly Lubricant Included: Yes
• Valve Springs Required: Yes
• Cam and Lifter Kit Upgrade: CL51-224-4
• K-Kit Upgrade: K51-224-4
• SK-Kit Upgrade: SK51-224-4
• 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 California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of 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 Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.