IO-540-K1G5D
O-300-D Std/Std
IO-520-CB (VAR) M10/M10
O/IO-540-C4B5, part # 75038 M03/M03
IO-540-K1G5D/K1A5D M06/M06
IO-360-C1C M03/M03
O-320-E2D M06/M03 & STD/M03
HIO-360 M06/M03
GO-480 (70417) Narrow rod M06/M010
13F27727 - First run (STD/STD)

Also have several repairable cores:
O-540, GO-480, IGSO-480, 520's and more

Have NEW 13F27725 crankshaft

Contact for additional information.