CHEVROLET Chevy big block Mark IV Differential & Rear-End Components

Ring and Pinion Gears,USA Standard 8.2" GM, 3.55 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10665

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 27-spline, Standard Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: YGA-24480

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Estimated Ship Date: Jan 8, 2026 if ordered today

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USA Standard Ring & Pinion gear set for GM 8.2" in a 3.55 ratio

Part Number: SPZ-36204

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, 4.27:1 Ratio, Dana 44, Set

Part Number: MGR-D44-427

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Spider Gear Kit, Open Differential, Dana 60, 30 Spline, Kit

Part Number: YGA-16009

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Pinion Spacer and Shims, Steel, GM, 8.875 in., Passenger Car, Kit

Part Number: RMG-040012S

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Ring and Pinion Gears and Installation Kit, 8.5" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12622

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900051

5.0 out of 5 stars ( 1 )

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Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-GM14BI

5.0 out of 5 stars ( 1 )

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Ring and Pinion Kit

Part Number: RMG-GM75355TK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential, Lock-Right, Locker, 26-Spline, GM, 7.625 in., Each

Part Number: PWT-1932-LR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $605.99

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, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Shaft, Rear, C-Clip, 1541H Alloy, 28 Spline, 31.500 in. Length, GM 8.5 in., Chevy/GMC, Pickup/SUV, Each

Part Number: YGA-21254

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.750 in. Pinion, 29 Spline, 10.250 in. Ring Gear, Dana 70, Set

Part Number: YGA-24074

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Axle Shaft, Rear, C-clip, 1541H Alloy Steel, 28-spline, 31.313 in. Length, GM 8.5 in., Chevy, GMC, Each

Part Number: YGA-21253

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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Gasket, Rear Axle Flange Gasket, Wheel Hub Gasket, Replacement, Chevrolet, GMC, Truck, Each

Part Number: ADO-12471641

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Spider Gear Kits, Open Differential, GM 7.5/7.625 in., 26 Spline, Kit

Part Number: MGR-GM7-5BI

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Ring and Pinion Gears, 3.55:1 Ratio, GM 8.20 in., Corvette, Standard Ring Gear Rotation, Dana 44, Set

Part Number: YGA-24173

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Differential Internals, Yukon Dura Grip or Eaton Positraction Internals for 8.5" GM with 28 Spline Axles, Kit

Part Number: YGA-16052

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Estimated Ship Date: Jan 7, 2026 if ordered today

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Differential Carrier, Open, Loaded, GM/Chrysler 9.25/9.50 in. 33 Spline, Each

Part Number: YGA-20097

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Front Axle Actuator, Aluminum, Silver, Chevy, GMC, Each

Part Number: SMP-TCA19

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Estimated Ship Date: Dec 29, 2025 if ordered today

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USA Standard Ring & Pinion "thick" gear set for Dana 44 in a 5.13 ratio

Part Number: SPZ-36051

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Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885273

5.0 out of 5 stars ( 1 )

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 10.5 in., 14-Bolt, Fits 4.10:1 and Numerically Lower Carrier, Set

Part Number: MGR-GM10-5-456X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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