Balanced 3.250" CAST CRANK,5.400" I-BEAM RODS,3/8" ARP 8740 BOLTS,HYPEREUTECTIC KB -10CC INVERTED DOME 4.040" PISTONS,PLASMA-MOLY FILE-FIT RINGS,KING SI ROD/MAIN BEARINGS, PIONEER DAMPER & 164 TOOTH FLEXPLATE.