Allstar Performance Shim Kit GM 8.875in 12 Bolt Truck ALL68618

Differential Shim - Pinion Retainer / Pre-Load Shims - Bolts / Crush Sleeve / Pinion Nut / Shims - 8.875 in - Truck - GM 12-Bolt - Kit. **NOTE: SHIM KIT FOR GM 12 BOLT TRUCKS W/8.875 RING GEAR.1964-1972

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