Stroker kit 393 Cleveland Competition 4340. kit includes, Scat 4340 Steel crankshaft Ext Bal, Scat 6" 4340 H-beam con rods with ARP2000 bolts, SRP Forged F/T Pistons +.020" +.030" +.040", Clevite Race series bearings and Speed Pro Moly file fit rings. Trial fit rotating assembly before machining and balancing