THE FOLLOWING INFORMATION IS NEEDED TO GET THE CORRECT IGNITOR:

1. YEAR, MAKE AND MODEL OF VEHICLE OR MACHINE
2. NAME AND NUMBER OF DISTRIBUTOR: DELCO, IH, AUTOLITE, PRESTOLITE, HOLLEY, ETC. 
3. ROTATION OF DISTRIBUTOR ROTOR (CLOCKWISE OR COUNTER-CLOCKWISE)
4. IS SYSTEM 12 VOLT NEGATIVE GROUND OR 6 OR 12 VOLT POSITIVE GROUND

IF YOU DON'T SEE YOUR VEHICLE LISTED, GIVE US A CALL.  WE HAVE ACCESS TO ALL IGNITORS.