GM Muncie M21 4 speed wide ratio cluster gear WT2978C
GM Muncie Wide Ratio Cluster Gear
Fits M21 with 1" pinĀ
Part #WT2978C
Ā
Tooth count 25-22-19-17
We will be closed APRIL 15-20 2026. All orders placed during this time will ship the week of April 21-24 2026. No orders will be canceled or refunded while we are closed.