fits Allis Chalmers engine models:

W,      WC

when equipped with Fairbanks Morse magneto number:

FM-J4B3,      J4B3

Includes:     Coil,   Copper Contact Strip   and   Hardware   as seen in photos

NOTE:  These engines came equipped with more than one magneto manufacturer and/or models so you MUST make sure to clearly identify that your magneto is the same manufacturer and model as noted above.

.....the Pollywog Harbor Guarantee !!