MERCURY COUGAR Differential & Rear-End Components

Carrier Shims, Super, Steel, Set of 18

Part Number: YGA-16042

3.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Super Kit, Ford. 10-Bolt, 7.5 in., Kit

Part Number: MGR-R75FRSK

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 4.71:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9471

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, Ford 7.5 in., Set

Part Number: RNB-697-723

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Yukon Trac Loc case for Ford 9"

Part Number: YGA-20079

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Grizzly Locker, Ford 9.0 in., 28 Spline, Each

Part Number: YGA-28008

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Gear, Ring and Pinion, 3.40:1 Ratio, Ford, 8 in., Set

Part Number: MGR-F880340

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Spool, Mini, Steel, 28-Spline, 10-Bolt, Ford 8.8 in., Each

Part Number: RMG-78-8828-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

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Gear, Ring and Pinion, 3.55:1 Ratio, 1.625 in. Pinion, 8.800 in. Ring Gear, Ford 8.8 in., Set

Part Number: YGA-24095

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ring and Pinion Installation Kit, Ford, 8.8 in. Diameter Ring Gear, Kit

Part Number: RMG-831043B

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring and Pinion-Ford 9

Part Number: MGR-F9-370A

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Ring & Pinion Gear Set Ford 9" / 3.7 Ratio

Part Number: SVL-2020624

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 31, 2025 if ordered today

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Ring and Pinion Gears, 4.88:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36127

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, Ford 8.8 in., Each

Part Number: YGA-32114

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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Mini Spool, MINI SPOOL 8.8 FORD 31SPL

Part Number: RMG-XL-5116

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Ring and Pinion-Ford 9

Part Number: MGR-F9-583A

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Gear, Ring and Pinion, 5.43:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0005-1

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Spider Gear Kit, Posi Differential, Ford 8.8 in., 31 Spline, Kit

Part Number: YGA-16106

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.27:1 Ratio, 1.625 in. Pinion, 28 Spline, 7.5 in. Ring Gear, Ford 7.5/7.5 in. IRS, Set

Part Number: YGA-24337

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Yukon Dura Grip positraction internals for 8.8" Ford with 28 spline axles

Part Number: YGA-16015

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Estimated Ship Date: Today

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Ring and Pinion Installation Kit, Master, Ford 9 in., Rear, Kit

Part Number: MGR-R9R325SMK

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Estimated Ship Date: Today

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Differential, Lock-Right, Locker, 28-Spline, Ford, 7.5 in., Each

Part Number: PWT-1830-LR

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $656.99

Rebate Expires: 12/31/2025

Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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

Part Number: RMG-4901111

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Differential Shaft Lock Bolt, Steel, Cadillac, Chevy, GMC, Ford, Mercury, Each

Part Number: RNB-81048

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Pinion Crush Sleeves, Steel, Ford, 8.8 in., Pair

Part Number: RNB-81056

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Estimated Ship Date: Today