Ford - 351W (5.8 L), 302 (5.0L), 302 SVO & 351 SVO Performance level 5 - Pro-Street - Perfect for street/strip. Emphasis on mid-range and top end power INT/EXH - Dur @ .050” Lift: 248°/252° RR: 1.6/1.6 Gross Lift: .558”/.547” LSA: 110° RPM: 3500 to 7000 Redline: 7000 Learn More