1978 CHEVROLET K10 Differential & Rear-End Components

Performance Mini Spool (GM 8.5 - 30 Spline)

Part Number: SDH-10015388

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring Gear Bolt, Hex Head, 7/16-20 in. Thread Size, Steel, Black, Each

Part Number: YGA-33049

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Axle Shaft, OEM Replacement, 30-Spline, 31.281 in. Length, Chevy, GMC, 8.875 in., Rear, Each

Part Number: RMG-92-25155

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Spider Gear Kit, Open Differential, GM 8.875 in., 30 Spline, Kit

Part Number: YGA-16043

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Mini Spool, Steel, 28-Spline, GM 8.5 in., Each

Part Number: MGR-MS10-28

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pinion Shims, Steel, Kit

Part Number: YGA-55009

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Crosspin Bolt, 5/16 in. Hex Head, Each

Part Number: YGA-33067

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Differential, Posi Performance, Limited Slip, 30-Spline, 3.73 Gear Ratios, GM, 12-Bolt, Each

Part Number: HUU-02-125

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Differential Carrier Clutch, Clutch Pack, Steel, Set

Part Number: YGA-16153

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Differential Carrier Bearings, Steel, Races, Shims, Dana 44, Kit

Part Number: YGA-57003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Differential Carrier Cases, Dana 44, 30 Spline, 3.73 and Down Ratio, Each

Part Number: YGA-20027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Differential Cover Bolts, Steel, Black, Hex, Each

Part Number: SDH-34279

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Differential Side Bearing Spacer; Differential Carrier Shims; For Ford 7.5 in./GM 7.5 in./GM 8.5 in./GM 8.2 in

Part Number: RMG-3800061

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Differential Carrier Cases, GM 8.5 in., 28/30 Spline, 2.73 and Up Ratio, Each

Part Number: YGA-20083

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Differential Clutch Pack Kit, Dana 44, Power Lok, Kit

Part Number: SDH-22233X

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pinion Nut, Steel, Each

Part Number: YGA-33150

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: MGR-GM12BI

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit

Part Number: RMG-831021TE

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Ring and Pinion Gears,Yukon Gear & Axle 8.875" GM 12 Bolt Truck, 4.11 Ratio Thick Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: YGA-10630

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 4 Series, Set

Part Number: RMG-4902801

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Axle Shaft, Rear, 6 x 5.50 in. Bolt Circle, GM, Each

Part Number: HUU-02-116

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

• Free Shipping

Carrier Shims, Super, Steel, Kit

Part Number: YGA-55001

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RPK

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Differential Carrier Rebuild Kits and Spider Gears, GM 8.875 in. (12-bolt) Car/Truck, Side Gears, Rear, Limited Slip, Eaton, Posi, 30-spline, Kit

Part Number: SVL-2023882

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air