Comp Cams 11-433-8 BBC Xtreme Energy Retro-Fit Hydraulic Roller Camshaft XR288HR

This Comp Cams 11-433-8 BBC Xtreme Energy Retro-Fit Hydraulic Roller Camshaft fits the 396-454 Big Block Chevy from 1967-1996. Comp designed this cam for street as well as strip use, and it features a rough idle and it works well in large cubic inch street machine engines. A 9.0:1 or higher compression ratio as well as a 2900+ stall speed torque converter are highly recommended.

Comp Cams 11-433-8 BBC Xtreme Energy Retro-Fit Hydraulic Roller Camshaft Specs:

• For 396-454 cubic inch Big Block Chevy engines from 1967-1996
• Requires thrust button and wear plate
• Must use bronze tip fuel pump pushrod when using either high pressure or high-volume pump
• Stock (O.E.) valve springs can NOT be used.
• Basic RPM Range: 2500 to 6000
• Valve Lift Intake: .521
• Valve Lift Exhaust: .540
• Advertised Intake Duration: 288
• Advertised Exhaust Duration: 294
• Intake Duration at .050”: 236
• Exhaust Duration at .050”: 242
• Lobe Separation: 110
• Firing Order: 1-8-4-3-6-5-7-2
• Made in the USA

Notes: The 1965-66 396 has an oiling groove in the rear journal. This cam does not, so if you require the oiling groove, please contact us for a special order.

Comp Cams designed this Retro-Fit Hydraulic Roller camshaft for high performance on the street as well as the drag strip.

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