Product Description
BBC 477 to 496 with 4.25” stroke with AFR 290 or 305 heads to a max of 6200 rpm. Welcome to the brotherhood of 625HP on pump gas with over 640#/ft. This cam will produce over 600HP with a single plane and right at 600HP with an air-gap intake. Single plane will make 25 more HP and sacrifice 10#/ft of torque. Carburetor of choice is a 950HP 4150. 2” headers are recommended. Be sure you have change driveshaft yokes and upgraded rear gears. Muncie 4 speed, use at your own risk.
900 Idle RPM
- Part. No. 160-3105 Grind # HR-9600-7-CSR
- Advertised Duration - 296/300
- Duration @ .050 - 237/241
- .200” Duration 154/151
- Lift .620/.569
- Centers 103/111
- LSA 107
*** May Require a Vacuum Canister on Some Applications
