Ring and Pinion Gears - 8.875 in. Ring Gear Diameter (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Richmond Gear EXCel Ring and Pinion Sets 12BT373 GM 8.875 in. (12-bolt) truck 3.73 Gears

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT373

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Summit Racing™ Ring and Pinion Sets SUM-741203 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set

Part Number: SUM-741203

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Richmond Gear EXCel Ring and Pinion Sets 12BT342 GM 8.875 in. (12-bolt) truck 3.42 Gears

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT342

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Summit Racing™ Ring and Pinion Sets SUM-741206 GM 8.875 in. (12-bolt) passenger car 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 12-Bolt Car, Set

Part Number: SUM-741206

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Summit Racing™ Ring and Pinion Sets SUM-741204 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set

Part Number: SUM-741204

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Motive Gear Performance Ring and Pinion Sets G888373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888373

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Summit Racing™ Ring and Pinion Sets SUM-741201 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, Set

Part Number: SUM-741201

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Summit Racing™ Ring and Pinion Sets SUM-741202 GM 8.875 in. (12-bolt) passenger car 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 12-Bolt Car, Set

Part Number: SUM-741202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

Motive Gear Ring and Pinion Sets GM12-456 GM 8.875 in. (12-bolt) truck 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt, Truck, Set

Part Number: MGR-GM12-456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Motive Gear Ring and Pinion Sets GM12-411A GM 8.875 in. (12-bolt) truck 4.11 Gears

Ring and Pinion-GM 8.875

Part Number: MGR-GM12-411A

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Dorman Ring and Pinion Sets 697-139 GM 8.875 in. (12-bolt) passenger car 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-139

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BC342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 8.875 in., 12-Bolt Car, Set

Part Number: RMG-12BC342

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Motive Gear Ring and Pinion Sets GM12-456A GM 8.875 in. (12-bolt) truck 4.56 Gears

Ring and Pinion-GM 8.875

Part Number: MGR-GM12-456A

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Motive Gear Ring and Pinion Sets AM20-488 AMC Model 20 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, AMC, Model 20, Set

Part Number: MGR-AM20-488

Not Yet Reviewed

Estimated Ship Date: Apr 1, 2026 if ordered today

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Estimated Ship Date: Apr 1, 2026 if ordered today

Richmond Gear EXCel Ring and Pinion Sets 12BT456 GM 8.875 in. (12-bolt) truck 4.56 Gears

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

Dorman Ring and Pinion Sets 697-138 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-138

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG M20-411 AMC Model 20 4.11 Gears

Ring and Pinion Gears, 4.11:1 Ratio, 38-spline, Standard Rotation, AMC Model 20, American Motors, Hummer, Jeep, Set

Part Number: SPZ-36230

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Dorman Ring and Pinion Sets 697-142 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM 8.875 in. (12-Bolt), Set

Part Number: RNB-697-142

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today