Ring and Pinion Gears - 3.90:1 Ring and Pinion Ratio - 10 Cover Bolts - 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 )

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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 )

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Richmond Gear EXCel Ring and Pinion Sets GM75390 GM 7.5/7.625 in. 3.90 Gears

Ring and Pinion Gears, EXCel, GM 7.5/7.625 in., 3.90:1 Ratio, 27-spline, Standard, for 3.23 or Numerically Higher Ratio Carrier, Chevy, GMC, Olds, Set

Part Number: RMG-GM75390

5.0 out of 5 stars ( 2 )

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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 )

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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 )

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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

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Estimated Ship Date: Oct 24, 2025 if ordered today

Motive Gear Performance Ring and Pinion Sets G875390 GM 7.5/7.625 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 7.5 in./7.625 in., Standard Rotation, Set

Part Number: MGR-G875390

4.0 out of 5 stars ( 3 )

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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 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM8.6-390IRS GM 8.6 in. IRS/ 218mm AAM 3.90 Gears

Ring and Pinion Gears, 10-bolt, 3.90:1 Ratio, Standard Ring Gear Rotation, GM 8.6 in. IRS, Set

Part Number: YGA-24574

Not Yet Reviewed

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Yukon Gear & Axle Ring and Pinion Sets YG D44HD-390 Dana 44 3.90 Gears

Ring & Pinion Gear, 3.90 Ratio, Dana 44, Set

Part Number: YGA-24288

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

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Estimated Ship Date: Oct 24, 2025 if ordered today

Motive Gear Performance Ring and Pinion Sets G882390 GM 8.2 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882390

5.0 out of 5 stars ( 3 )

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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

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Estimated Ship Date: Oct 8, 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

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Estimated Ship Date: Oct 24, 2025 if ordered today

Richmond Gear Ring and Pinion Sets 49-0284-1 GM 7.5/7.625 in. 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM 7.5 in., GM 7.625 in., 10-bolt, Set

Part Number: RMG-49-0284-1

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 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

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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

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Estimated Ship Date: Oct 9, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F8.8-390 Ford 8.8 in. 3.90 Gears

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

Part Number: SPZ-36124

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 9, 2025 if ordered today

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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

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Estimated Ship Date: Oct 9, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG C8.0-390 Chrysler 8.00 in. 3.90 Gears

Ring and Pinion Gears, 3.90:1 Ratio, 26-spline, Standard Ring Gear Rotation, Chrysler 8.00 in. IFS, Set

Part Number: YGA-24219

Not Yet Reviewed

Estimated Ship Date: Oct 24, 2025 if ordered today

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Estimated Ship Date: Oct 24, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG C8.0-390 Chrysler 8.00 in. 3.90 Gears

USA standard ring & pinion gear set for Chrysler 8" in a 3.90 ratio.

Part Number: SPZ-36004

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

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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

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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

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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

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Estimated Ship Date: Oct 24, 2025 if ordered today

Motive Gear Performance Ring and Pinion Sets G975390 GM 7.5/7.625 in. 3.90 Gears

Ring and Pinion Gears, Pro Series, 3.90:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-G975390

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today

Motive Gear Performance Ring and Pinion Sets GZ85390 GM 8.6 in. IRS/ 218mm AAM 3.90 Gears

Ring and Pinion Gears, 3.90:1, 32-spline Pinion, 10-bolt, GM 218mm, AAM, Set

Part Number: MGR-GZ85390

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Estimated Ship Date: Oct 15, 2025 if ordered today