Here is a sharp looking refurbished early American Bosch MJC4C 102 clockwise rotation,impulse coupled base mounted magneto with a 35 degree ignition lag which can be configured to your application given the engine and model number. Has been completely disassembled, blasted,primed, painted,bearings washed and repacked, magnets charged, components tested to factory specs and replaced as necessary,new gasket and good threads. Bench tested good and hot as it should be. It fits many early Allis Chalmers models using a base mount magneto, E, E60,Early K,Early M,Monarch 35, 50, Early U,UC,WK,WKO,Early WM and many of their combines.
It is for Hercules Engines models:IX,IXA,IXB,ZXB,ZXA,OX,OXC,K
Continental Models: Y400,C400,F162
Waukesha Models: FS,FC,XA,XAH,F,FCS,FK,FL,FCL
Check your parts/service manual to be certain,