COMP Cams - 51-221-4
Camshaft - Xtreme Energy - Hydraulic Flat Tappet - Lift 0.447 / 0.455 in - Duration 256 / 268 - 110 LSA - 1000 / 5200 RPM - Pontiac V8 - Each
Strong torque through low end and mid-range, good idle.
Camshaft Series: Xtreme Energy
Usage: Street/Performance
Cam Type: Hydraulic Flat Tappet
Grind Number: XE256H
Basic Operating RPM Range: 1,000-5,200
Intake Duration at .050 Inch Lift: 212
Exhaust Duration at .050 inch Lift: 218
Advertised Intake Duration: 256
Advertised Exhaust Duration: 268
Lobe Separation: 110
Intake Valve Lift: 0.447
Exhaust Valve Lift: 0.455
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: Yes
Camshaft Gear Attachment: 1-Bolt
Camshaft Material: Cast Iron
Cam and Lifter Kit Upgrade: CL51-221-4
K-Kit Upgrade: K51-221-4
Lifter Type: Hydraulic Flat Tappet
SK-Kit Upgrade: SK51-221-4
Amazon ASIN: B000CEO7J4
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)
