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

Axle Shaft, Dana 44, 30 Inner Spline, 19 Outer Spline, 46.060 in. Length, Front Driver Side, GM, Each

Part Number: SDH-29833-2X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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Gear, Ring and Pinion, 5.38:1 Ratio, Dana 60, Set

Part Number: RMG-7900131

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Axle Upgrade Combo, Dana 60, 35 Spline, Spicer U-Joints, Spicer Front Outter Axle Shafts, Manual Hubs, Kit

Part Number: CMB-35-0001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Ring & Pinion Gear, 3.42 Ratio, GM, 10.5 in. 14-Bolt, Set

Part Number: YGA-24466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.13 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10836

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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 )

Estimated Ship Date: Today

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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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Differential, No-Slip Traction System, 30-Spline, GM, 12-Bolt, Each

Part Number: PWT-92-0788-3005

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $511.23

Rebate Expires: 12/31/2025

Get $40 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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Differential Carrier, Dura Grip Positraction, Clutch-type, 33-spline, Chevy, Dodge, GMC, Hummer, Ram, Each

Part Number: YGA-26025

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.88:1 Ratio, 2.000 in. Pinion, 37 Spline, 11.200 in. Ring Gear, Dana 80, Set

Part Number: YGA-24324

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, Dana 60, Set

Part Number: RMG-79-0077-1

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential, Lock-Right, Locker, 33-Spline, GM, 9.2 in./9.5 in., Each

Part Number: PWT-1950-LR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $646.99

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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Grizzly Locker, Dana 44, 30 Spline, 3.92 Up Ratio, Each

Part Number: YGA-28001

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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 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.54:1 Ratio, Dana 70, Set

Part Number: MGR-D70-354

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Rear, GM 8.875 in. (12-bolt) Passenger Car, Each

Part Number: YGA-26013

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Gear, Ring and Pinion, 3.70:1 Ratio, Chevy, 8.20 in., 1963-1979 Corvette, 3 Series, Set

Part Number: RMG-4900231

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Axle Shaft, Direct Fit, Front, 4340 Chromoly, Chevy, GMC, SUV, Pickup, Each

Part Number: MGR-MG22172

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: MGR-G975390

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.38 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10837

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, 3.54:1 Ratio, 2.000 in. Pinion, 37 Spline, 11.250 in. Ring Gear, Dana 80, Set

Part Number: YGA-24076

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Differential, Lock-Right, Locker, 30-Spline, Dana 60, Each

Part Number: PWT-2610-LR

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $751.99

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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Ring and Pinion Gears, 3.54:1, 29-spline, Reverse Rotation, Dana 60, Thick Gear, 4.11:1 and Down Carrier, Set

Part Number: YGA-24058

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

Part Number: SPZ-10718

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.438 in. Pinion, 25 Spline, 8.200 in. Ring Gear, GM 8.2 in., Set

Part Number: YGA-24151

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Axle Upgrade Combo, Dana 60, 35 Spline, Spicer Greasable U-Joints, Spicer Axle Shafts, Manual Hubs, Kit

Part Number: CMB-35-0002

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Estimated Ship Date: Today

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