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ZG GM8.5-513 USA Standard 5.13 Ratio Ring & Pinion Gear Set for GM 8.5" & 8.6"
454370$296.89ZG GM8.5-513 USA Standard 5.13 Ratio Ring and Pinion Gear Set for GM 8.5" and 8.6" axles. This gear set requires use of a notched cross pin shaft. 10 ring gear bolts 30 spline pinion 5.13 ratio 8.50″ ring gear diameter Fits GM 8.5″ and 8... -
ZG GM8.5-538 USA Standard 5.38 Ratio Ring & Pinion Gear Set for GM 8.5" & 8.6"
454371$325.89ZG GM8.5-538 USA Standard 5.38 Ratio Ring and Pinion Gear Set for GM 8.5" and 8.6" axles. This gear set requires use of a notched cross pin shaft. 10 ring gear bolts 30 spline pinion 5.38 ratio 8.50″ ring gear diameter Fits GM 8.5″ and 8...