SKU: 11-771-8

11-771-8 Xtreme Energy 242/248 Solid Roller Cam for Chevrolet Big Block 396-454


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Best in street machines with 2800+ stall, 10:1+ compression with 3.73-3.90 rear gears.


SKU 11-771-8
Barcode # 036584058946
Lifters Included No
Camshaft Series Xtreme Energy
Exhaust Duration At .050 Inch Lift 248
Advertised Exhaust Duration 286
intake valve lift 0.646
Camshaft Gear Attachment 3-Bolt
Basic Operating Rpm Range 2,500-6,500
Lobe Separation 110
Cam Type Solid Roller
Lifter Type Solid Roller
Valve Springs Required Yes
Grind Number XR280R
Intake Duration At .050 Inch Lift 242
Advertised Intake Duration 280
Exhaust Valve Lift 0.653
Camshaft Material Austempered Ductile Iron


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