Ring and Pinion Gear Installation Kits

Ring and Pinion Installation Kit, GM 8.875 in., "C" Axle, 12-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-8310191

4.05 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 8.875 in., Passenger Car, Kit

Part Number: YGA-14067

5.0 out of 5 stars ( 4 )

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Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMKT

3.67 out of 5 stars ( 12 )

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Ring and Pinion Installation Kit, GM, 8.875 in., Passenger Car, 12-Bolt, Kit

Part Number: RMG-831019M

4.0 out of 5 stars ( 12 )

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Ring and Pinion Installation Kit, Rear, GM 8.875 in., 12-Bolt, GM, Passenger Car, Kit

Part Number: ETN-K-GM12CR

4.0 out of 5 stars ( 3 )

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Ring and Pinion Installation Kit, Fits GM, 12-Bolt Passenger Differential, Kit

Part Number: RAT-315K

4.0 out of 5 stars ( 24 )

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Ring and Pinion Installation Kit, Fits GM, 12-Bolt Passenger Differential, Timken Bearings, Kit

Part Number: RAT-315KT

4.2 out of 5 stars ( 5 )

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Ring and Pinion Installation Kit, GM, 8.875 in., Passenger Car, 12-Bolt, Kit

Part Number: RAT-3004K

4.17 out of 5 stars ( 6 )

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Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12CRSK

3.5 out of 5 stars ( 2 )

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Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit

Part Number: MGR-R12CR

3.0 out of 5 stars ( 1 )

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Ring and Pinion Installation Kit, 12-bolt, 30-spline, Rear, GM 8.875 in. Passenger Car, Kit

Part Number: MGR-R12CRMK

2.5 out of 5 stars ( 2 )

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Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Diameter Ring Gear, Kit

Part Number: MSR-R12B

4.75 out of 5 stars ( 4 )

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Ring and Pinion Installation Kit, Super Kit, GM, 8.875 in., Kit

Part Number: MGR-R12CRSKT

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Ring and Pinion Installation Kit, GM, 12-Bolt Car, Kit

Part Number: STR-R5211

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Ring and Pinion Installation Kit, GM, 8.875 in., Passenger Car, 12-Bolt, Timken Bearings, Kit

Part Number: RAT-3004KT

1.0 out of 5 stars ( 1 )

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USA Standard Master Overhaul kit for the GM 12P differential

Part Number: SPZ-37042

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Estimated Ship Date: Today

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Yukon Pinion install kit for GM 12 bolt car differential

Part Number: YGA-13056

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion Installation Kit, GM, 8.875 in., Passenger Car, 12-Bolt, Kit

Part Number: RAT-115K

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit

Part Number: MGR-GM12IKC

3.0 out of 5 stars ( 1 )

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Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831019B

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion Gear Installation Kit, Minimum Install, 30-spline, Standard Rotation, Rear, GM 8.875 in. (12-bolt) Passenger Car, Kit

Part Number: YGA-12043

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Installation Kit, Master Overhaul, GM 8.875 in. Passenger Car, Kit

Part Number: YGA-14094

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Estimated Ship Date: Dec 8, 2025 if ordered today

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12P GM BEARING & SEAL KIT, KOYO BRGS

Part Number: SPZ-58044

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.875 in. 12-Bolt, Rear, Kit

Part Number: MGR-R12CRT

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Estimated Ship Date: Nov 25, 2025 if ordered today

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