JIM S THREE HOLE CRANK PIN KIT INCLUDES CCI# 20-041 3 HOLE CRANKPIN 2 EA 20-642 CRANK PIN NUTS JIM S 2186 (OEM# 23985-81) WOODRUFF KEY. USE ON BIG TWIN MODELS 1941 TO EARLY 1981.
Source: Custom Chrome
These crank pins feature a 16 micron finish or better on the flywheel shafts and all diameters ground are concentric to at least .0003". The crank pin kits include a precision American-made 2- or 3-hole crank pin, two crank pin nuts and a woodruff key.