GM 8.5" 10 Bolt Ring & Pinions

GM 8.5” Ring & Pinions

30 Spline Pinion

Ratios Available:

GM30885BC -  3:09 - new ratio

GM34285BC -  3:42

GM37385BC -  3:73 GM41085BC -  4:10

GM45685BC -  4:56

GM48885BC -  4:88 - new ratio

(8620 Material)

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