USA Standard Ring & Pinion gear set for GM 8.5" in a 3.73 ratio
Fits GM 8.5" and 8.6" 8.50" ring gear diameter 30 spline pinion 10 ring gear bolts 3.73 ratio
Shipping & Returns
Shipping & Returns


Fits GM 8.5" and 8.6" 8.50" ring gear diameter 30 spline pinion 10 ring gear bolts 3.73 ratio
Shipping & Returns


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