Stroker kit SBC 350 - 383ci cast 1piece rear seal block EXT bal

Stroker kit 350 - 383ci SBC LATE 1 piece rear main seal block, up to 500HP,  kit includes Eagle cast 3.75" stroke cast crank suit 1pc rear main seal, EXT bal, Eagle 5.7" I-beam con rods, Speed Pro hypereutectic F/T pistons, bore STD, +.020"  +.030"  +.040"  +.060".  -11cc dish pistons also available,  Clevite "P" series main bearings and con rod bearings,  Speed Pro Moly rings.  Trial fit rotating assembly before machining and balancing.