632cid 1300HP+ engine kits Dart Merlin 3 billet cap 4.600 bore block Callies Comp Star magnum balanced crank,upgrade + 800 GRP Billet rods Diamond or J.E.4.600 flat top piston tool steel pins, Total seal rings, Pro-Filer 12 heads completely ported with 2.5x1.8 Titanium valves PSI springs heads flow 550 On IN and 400On EX, New Titanium and CNC Poted 1000 UPgrade, Sheet metal Intake oval into round Pro-Stock design, Bullet special grind 4x7 swaps this combo will Dyno 1300-1350HP everything 16000.00 With BRODIX PB-9000 Heads 17K Call Mike for more info absolutely the best HP for the money 513-607-2592