Xtreme Marine 254/260 Hydraulic Roller Cam For Chevrolet Big Block 396-454

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 <a href="{{store url}}Tech-support">contact us</a>, and we will assist you with placing an order. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies. Vehicle Specific

• Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

Attributes:

• Brand Name: COMP Cams
• GTIN: 00036584038559
• Advertised Exhaust Duration: 314
• Advertised Intake Duration: 308
• Amazon ASIN: B000P592HW
• Assembly Lubricant Included: No
• Basic Operating RPM Range: 3,500-6,500
• C.A.R.B. E.O. Number: N/A
• 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.
• C.A.R.B. Exempt for On-Road Vehicles?: No
• 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. Exemption Reason: N/A
• Cam Type: Hydraulic Roller
• Cam and Lifter Kit Upgrade: CL11-461-8
• Camshaft Gear Attachment: 3-Bolt
• Camshaft Material: Austempered Ductile Iron
• Camshaft Series: Xtreme Marine
• Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
• Exhaust Duration at .050 inch Lift: 260
• Exhaust Valve Lift: 0.575
• Grind Number: XM308HR
• Intake Duration at .050 Inch Lift: 254
• Intake Valve Lift: 0.575
• K-Kit Upgrade: K11-461-8
• Lifter Type: Hydraulic Roller
• Lifters Included: No
• Lobe Separation: 112
• SK-Kit Upgrade: SK11-461-8
• Usage: Marine
• Valve Springs Required: Yes

Extended Information:

• Country of Origin: US
• Emissions : EPA Eligible

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 23.3 x 2.9 x 2.6 inches
• Weight: 10.7 POUNDS