Ford 1962-91 221, 255,260, 289, 302 Ci. (except 1982-85 302HO & 302 w/ HYD. roller lifters) Firing order 1-5-4-2-6-3-7-8. Ford SBF Mercury 289 302 Engine Pro Stage 4 Rough Idle Hydraulic 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 231 Exhaust 231
Advanced Duration Intake 288 Exhaust 288
Valve Lift .512 Exhaust .512
Lobe Sep. Intake 106 Exhaust 114
Power range 2500-5800
Idle Rough
Comment: Street and mild bracket.
- Ground in the USA American made casting and billets
- Computer designed lobe profiles for maximum power
- Journal roundness maintained to within .0002"
- Manganese phosphate coated, flame hardened castings or induction hardened billets
- Profiles are Adcole verified for the ultimate in accuracy
