This rotor was OE on these models:
Bearing & seal kit for GM Metric calipers & Mustang II rotors to 1949-54 Chevy spindle brake kit part 910-31955 & 910-31956. Kit Includes:
Bearing & seal kit for GM Metric calipers & Mustang II rotors to 1949-54 Chevy spindle brake kit part 910-31955 & 910-31956.
Kit Includes: