Performance & Replacement Transmission & Drivetrain Parts

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., 25 Spline Pinion, Set

Part Number: SUM-741021

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0060-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 8.2 in. BOP, 28 spline, 3.31 Up Ratio, Each

Part Number: SUM-730964

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885430

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

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 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.10:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F8-8-410

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set

Part Number: YGA-24134

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.50:1 Ratio, Ford, 9 in., Set

Part Number: AAF-ALL70010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.57:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890457

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.2 in., 10-Bolt, Set

Part Number: RMG-GM82373E

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.73:1 Ratio, Chrysler, 8.75 in., 489 Housing, Set

Part Number: MGR-C887373L

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring and Pinion Gears, 4.11:1 Ratio, Standard Rotation, 8.20 in. Diameter, GM, BOP, Set

Part Number: MGR-BP882411

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring & Pinion Gear, 3.73 Ratio, GM 8.20 in., Corvette, Set

Part Number: YGA-24174

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Pro Ring and Pinion, 3.60:1 Ratio, Ford, 9 in., Set

Part Number: RMG-7900031

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring and Pinion Gears and Installation Kit Combo, 4.56:1 Ratio, Dana 30 Front, Chrysler 8.25 in. Rear, Jeep

Part Number: YGA-31003

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.73:1 Ratio, Ford, 8.8 in., Set

Part Number: SUM-748801

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring and Pinion Gear, Chrysler, 8.75 in., 489 Case, 3.55:1 Ratio, 12-Bolt, 10-Spline Pinion, Standard Rotation, 39/11 Ring/Pinion Teeth, Set

Part Number: RMG-6903711

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.80:1 Ratio, Ford, 8 in., Set

Part Number: MGR-F880380

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring & Pinion Gear, 3.42 Ratio, GM, 10.5 in. 14-Bolt, Set

Part Number: YGA-24466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring and Pinion Gears, 3.07:1 Ratio, 26-spline, Standard Rotation, Dana 35, Set

Part Number: CWA-83505472

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.30:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888430

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring and Pinion Gears and Installation Kit Combo, 4.56:1 Ratio, non-Rubicon, Dana 30/44, Jeep, Kit

Part Number: YGA-31012

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.33:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6903781

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Combo, Richmond Gear, Ring and Pinion, 3.55:1 Ratio, GM 8.2 in., 3 Series, Install Kit, Lube, DVD, Kit

Part Number: CMB-14-0039

4.75 out of 5 stars ( 4 )

Cannot be shipped Internationally if shipped by air

• Restricted
• Free Shipping