AMC - 290, 304, 343, 360 (5.9L) & 390 401 Performance level 4 - Ultra Performance Compu-Pro - The following grinds are best suited for dual purpose hot street/drag strip
situations. These cams exhibit strong mid-range and top end torque and
horsepower. Headers, dual exhaust, larger cfm carburetor, performance
ignition and 11:1 compression are a must. Use with manual or automatic
transmission. Low gearing a must. INT/EXH - Dur @ .050” Lift: 234°/244° RR: 1.6/1.6 Gross Lift: .520”/.542” LSA: 112° RPM: 2000 to 6000 Redline: 6500 Learn More