UM40244 12 Volt Conversion Kit TO-20---Replaces MFS3812

Replaces number MFS3812

Fits: TE20, TO20

Fits: with original Z120C500 block and without optional tach drive
Will not fit late replacement blocks with mounting bosses on the block (for the lower bracket).

Includes: 63 amp 1 wire alternator, Mounting brackets, Wire harness, 12 Volt internally resisted coil