Ford - 221, 255 (4.2L), 260, 289, 302(5.0L) & Boss 302 Performance level 4 - Pro-Street - High revving with superior midrange and top end power. INT/EXH - Dur @ .050” Lift: 248°/252° RR: 1.6/1.6 Gross Lift: .499”/.512” LSA: 110° RPM: 2500 to 7500 Redline: 7500 Learn More
Ford - 351W (5.8 L), 302 (5.0L), 302 SVO & 351 SVO Performance level 3 - Pro-Street - High torque profile with emphasis on mid-range and top end power. INT/EXH - Dur @ .050” Lift: 228°/226° RR: 1.6/1.6 Gross Lift: .474”/.485” LSA: 112° RPM: 2200 to 6000 Redline: 6500 Learn More
Ford - 351W (5.8 L), 302 (5.0L), 302 SVO & 351 SVO Performance level 4 - Pro-Street - High revving profile with superior mid-range and top end power. INT/EXH - Dur @ .050” Lift: 242°/250° RR: 1.6/1.6 Gross Lift: .538”/.557” LSA: 112° RPM: 2500 to 6500 Redline: 7000 Learn More
Ford - 351C, 351M & 400 Performance level 5 - Compu-Pro - Upper mid-range and top end power for extra pop above 7000 rpm. INT/EXH - Dur @ .050” Lift: 274°/282° RR: 1.73/1.73 Gross Lift: .618”/.638” LSA: 107° RPM: 4500 to 7500 Redline: 8000 Learn More