BUICK APOLLO USA Standard Gear Parts and Accessories

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

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Estimated Ship Date: Apr 3, 2026 if ordered today

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8.5" GM 28spl MINI SPOOL

Part Number: SPZ-59011

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Estimated Ship Date: Mar 30, 2026 if ordered today

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USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 3.73 ratio

Part Number: SPZ-36198

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Estimated Ship Date: Mar 30, 2026 if ordered today

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USA Standard Gear standard spider gear set for GM 8.5", 30 spline

Part Number: SPZ-39027

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

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Estimated Ship Date: Apr 3, 2026 if ordered today

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USA Standard Master Overhaul kit for the '81 & older GM 7.5" differential

Part Number: SPZ-37048

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Estimated Ship Date: Apr 3, 2026 if ordered today

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8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-58050

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Estimated Ship Date: Apr 3, 2026 if ordered today

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