Product Overview
Ford 1969-91 351W, 1982-1985 302H.O. except roller lifters. Firing order 1-3-7-2-6-5-4-8. This camshaft can be used on 221,255, 260, 289, 302C.I engines by changing to firing order 1-3-7-2-6-5-4-8. Ford SBF Mercury 351W 302HO Engine Pro Stage 4 Rough Idle Hyd. Flat Tappet Cam. These cams are brand new in the box from the factory. Please look at the second picture for cam specs.
Hydraulic Lifter Cam
Stage 4 Cam (see cam range & selection chart), (3rd Picture).
Duration @ .050 Intake 224 Exhaust 234
Advanced Duration Intake 300 Exhaust 304
Valve Lift .496 Exhaust .502
Lobe Sep. Intake 107 Exhaust 117
Power range 2200-5400
Idle Rough
Comment: Street performance. Good mid and high end. 2500+ stall converter.
Lifters: HA817
