It's not the same. The sm420 used a band that went around the drum. The later ones had 2 shoes, one inside the drum & one outside. You will probably have to find the parts from salvage or like Grigg say's get the shoes relined.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum