'74 454 .030 Over 4.250 Stroke 489, SRP Forged 0.030 Flat Tops, Crane Z Blower .632/.632 244/256 Cam, Weiand 8-71 Polished Blower, 2 x 800cfm Barry Grant Blower Carbs, Procomp 320cc Heads Race Package, CSR Electric Water Pump, TH400 FUll Manual Reverse Valve Body Sportsman Trans Brake 3000 Stall, 9" Rearend 31 Spline 3.70 Gears.