1966 Differential & Rear-End Components

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

Part Number: MGR-F880340

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.875 in. Ring Gear, GM 8.875 in., Set

Part Number: YGA-24123

3.0 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 5.14:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0027-1

4.67 out of 5 stars ( 3 )

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Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32121

1.0 out of 5 stars ( 1 )

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Differential, Lock-Right, Locker, 28-Spline, GM, 8.2 in., Each

Part Number: PWT-1940-LR

4.25 out of 5 stars ( 4 )

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $466.99

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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Pinion Seal, Pinion Shims, Carrier Shims, Crush Sleeve, Carrier Bearings, Chevy, 8.2 in., 30-spline, Kit

Part Number: YGA-14103

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 28-Spline, Chevy, 8.5 in., Pair

Part Number: MSR-A102811

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Gear, Ring and Pinion, 4.88:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24039

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 3.08:1 Ratio, Chevy, 8.20 in., 1963-1979, Corvette, 3 Series, Set

Part Number: RMG-4900971

5.0 out of 5 stars ( 1 )

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Differential, Auburn, Grip-N-Loc, Limited Slip, 30-Spline, GM, 8.875 in. (12-Bolt) Truck, Each

Part Number: AUB-546034

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 8 in., Set

Part Number: RMG-6900641

4.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-7900291

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 4.56:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24036

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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 )

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Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 8.2 in., BOP, Set

Part Number: YGA-24505

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Dura Grip Positraction Carrier, Traction-Loc, Ford 9 in., 28 Spline, Aggressive Engagement, Each

Part Number: YGA-26007

5.0 out of 5 stars ( 2 )

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Truck, 4 Series, Set

Part Number: RMG-6902981

5.0 out of 5 stars ( 2 )

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Ring and Pinion Gears, 3.90:1 Ratio, Standard Gear Rotation, GM 8.875 in. Passenger Car, Set

Part Number: YGA-24125

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Ring and Pinion Installation Kit, Ford 9 in., Ford/Mercury, Kit

Part Number: MGR-R9R325

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900331

5.0 out of 5 stars ( 2 )

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Axles, 5-Lug Conversion, GM 12-Bolt Truck, 5 x 5 in. Bolt Circle, 1541H Alloy Steel, Chevy, GMC, Kit

Part Number: YGA-21835

4.19 out of 5 stars ( 16 )

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RING AND PINION

Part Number: YGA-24689

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Gear, Ring and Pinion, 3.08:1 Ratio, GM 8.2 in., Set

Part Number: RNB-697-805

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Gear, Ring and Pinion, 4.56:1 Ratio, Chrysler, 9.25 in., Set

Part Number: MGR-C9-25-456

5.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, Chrysler, 9.25 in., 12-Bolt, Set

Part Number: RMG-CR925410

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 26, 2025 if ordered today

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