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

Differential Carrier, Select-A-Loc, Electric Locker Style, 35-spline, Ductile Iron, Rear, Dana 80, 3.07 thru 3.73 Ratio Only, Each

Part Number: AUB-545033

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Axle Shaft, 28-Spline, 30.125 in. Length, Chevy, Each

Part Number: YGA-21242

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Axle Assembly, C10 9 in, Natural Finish, 1541H Alloy Steel Axles, 31 Spline, Chevy, Each

Part Number: CUR-CE-GMC6370X5

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle Assembly, 9 in. Alloy Steel. 1541H Alloy Steel Axles, 31 Spline, Chevy,. Each

Part Number: CUR-CE-GMN6872MX

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, Thick Ring Gear, 4.56:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: MGR-D60-456X

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 4.88:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 70, Set

Part Number: SPZ-36265

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard Gear replacement spider gear set for Dana 80, 37 spline

Part Number: SPZ-39012

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Center Bearing

Part Number: SDH-210370-1X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Special Order

USA Standard Gear standard spider gear set for GM 7.5", 26 spline

Part Number: SPZ-39023

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Spider Gear Kit, Open Differential, GM 10.5 in., 30 Spline, Kit

Part Number: YGA-16044

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Ring & Pinion Gear, 5.38 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24494

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 4.11:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36042

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Ring and Pinion Gears, 3.54:1 Ratio, 10-bolt, 26-spline, Standard Gear Rotation, Dana 44, Set

Part Number: SPZ-36039

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900441

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-214

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential, Grip Pro Traction System, 35-Spline, Dana 60, Each

Part Number: PWT-GT436035

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order
• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $1,139.99

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

×

Ring and Pinion Gears, Ring and Pinion, 3.73:1 Ratio, Dana 70/70-HD/70-U, Set

Part Number: MGR-D70-373EXP

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

GM 8.5" 30Spline 4340 FRONT AXLE kit, w/ Super-Joint

Part Number: YGA-21328

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Axle Conversion, Rear, With Limited Slip Differential, 3.73 and Up ratio, 5 x 5.00 in. Bolt Circle, GM, Kit

Part Number: HUU-02-123

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Cover, 14-bolt, Aluminum, Polished, GM 10.5 in. (14-bolt), Each

Part Number: YGA-32028

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential, Eaton Detroit Locker, 28-Spline, GM, 8.5 in., 3-Series, Each

Part Number: ETN-187C149A

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 30-spline, Dana 60, for 4.56 Ratio and Up, Each

Part Number: YGA-28004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

RING AND PINION

Part Number: MGR-MGK-211

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875323

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 3.92:1 Ratio, Dana 44, Set

Part Number: MGR-D44-392

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order