Ring and Pinion Gears - 3.90:1 Ring and Pinion Ratio - 1.626 in. Pinion Shaft Diameter (in.) - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Motive Gear Performance Ring and Pinion Sets F888390 Ford 8.8 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888390

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Summit Racing™ Ring and Pinion Sets SUM-741003 GM 8.5/8.6 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: SUM-741003

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Richmond Gear Ring and Pinion Sets 49-0034-1 GM 8.5/8.6 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5-390 GM 8.5/8.6 in. 3.90 Gears

Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: YGA-24159

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2188 Chrysler 8.25 in. 3.90 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.25" CHRYSLER, 3.90 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: YGA-10588

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 24, 2025 if ordered today

Motive Gear Ring and Pinion Sets GM10-390 GM 8.5/8.6 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

SVL Drivetrain Ring and Pinion Gear Sets 2020954 GM 8.5/8.6 in. 3.90 Gears

Ring & Pinion Gear Set GM 10 Bolt 8.5" / 3.90 Ratio

Part Number: SVL-2020954

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 8, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 8, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM8.5OLDS-390 GM 8.5 in. O axle 3.90 Gears

Ring & Pinion set, 3.90:1 Ratio, GM "O" Axle, Set

Part Number: YGA-24688

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 24, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG C8.25-390 Chrysler 8.25 in. 3.90 Gears

Ring and Pinion Gears, 3.90:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: YGA-24003

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 24, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-390 GM 8.5/8.6 in. 3.90 Gears

Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG C8.25-390 Chrysler 8.25 in. 3.90 Gears

Ring and Pinion Gears, 3.90:1 Ratio, 27-spline, Standard Ring Gear Rotation, Chrysler 8.25 in., Set

Part Number: SPZ-36010

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2188 Chrysler 8.25 in. 3.90 Gears

Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 3.90 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: SPZ-10901

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2202 Chrysler 8.25 in. 3.90 Gears

Ring and Pinion Gears,USA Standard 8.25"/ 213mm CHRYSLER, 3.90 Ratio Rear Ring & Pinion GearInstall Kit Package

Part Number: SPZ-10657

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 9, 2025 if ordered today

Richmond Gear EXCel Ring and Pinion Sets CR825390 Chrysler 8.25 in. 3.90 Gears

Ring and Pinion Kit

Part Number: RMG-CR825390

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 14, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2202 Chrysler 8.25 in. 3.90 Gears

Ring and Pinion Gears,Yukon Gear & Axle 8.25"/ 213mm CHRYSLER, 3.90 Ratio Rear Ring & Pinion GearInstall Kit Package

Part Number: YGA-10602

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 24, 2025 if ordered today