COMP Cams 11-677-4 - Camshaft CB XS274S-10
Camshaft - Xtreme Energy - Mechanical Flat Tappet - Lift 0.568 / 0.578 in - Duration 274 / 280 - 110 LSA - 2000 / 6400 RPM - Big Block Chevy - Each
Very strong mid-range torque and throttle response, 2500+ stall.
BBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.
Camshaft Series: Xtreme Energy
Usage: Street/Performance
Cam Type: Solid Flat Tappet
Grind Number: XS274S
Basic Operating RPM Range: 2,000-6,400
Intake Duration at .050 Inch Lift: 236
Exhaust Duration at .050 inch Lift: 242
Advertised Intake Duration: 274
Advertised Exhaust Duration: 280
Exhaust Valve Lift: 0.578
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: Yes
Intake Valve Lift: 0.568
Lobe Separation: 110
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Cast Iron
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Cam and Lifter Kit Upgrade: CL11-677-4
K-Kit Upgrade: K11-677-4
Lifter Type: Solid Flat Tappet
SK-Kit Upgrade: SK11-677-4
Amazon ASIN: B001O0BXYW
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
Grind Number: XS274S