1985 CHEVROLET K10 Differential & Rear-End Components

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 )

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Locking Hubs, Manual, 19-spline, 6 Bolts, Chrome Steel Housing, Dana 44, Chevy, Dodge, Ford, GMC, Jeep, Set

Part Number: CWA-400518

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

Part Number: YGA-33067

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT456T

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

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Ring and Pinion Installation Kit, Master Kit, GM, 8.5 in., Kit

Part Number: MGR-R10REMK

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Differential Cover Bolts, Steel, Black, Hex, Each

Part Number: SDH-34279

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Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24492

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Estimated Ship Date: Mar 2, 2026 if ordered today

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

Part Number: YGA-33049

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Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

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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 )

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Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

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High performance Yukon Ring & Pinion gear set for GM 12 bolt truck in a 4.88 ratio

Part Number: YGA-24133

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Estimated Ship Date: Feb 27, 2026 if ordered today

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Ring Gear Bolt

Part Number: MGR-14066913

4.75 out of 5 stars ( 4 )

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

Part Number: MGR-MS10-28

5.0 out of 5 stars ( 3 )

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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

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Pinion Shims, Steel, Kit

Part Number: YGA-55009

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Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24161

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Mini spool for GM 12 bolt with 30 spline axles

Part Number: YGA-32227

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Pinion Nut, Steel, Each

Part Number: YGA-33150

4.64 out of 5 stars ( 11 )

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Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

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Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-411

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Axle Shaft, OEM Replacement, 28-Spline, 31.5 in. Length, Chevy, GMC, 8.5 in., Rear, Each

Part Number: RMG-92-25184

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Differential Shims, Carrier, Steel, GM, 8.5 in., 8.625 in., Kit

Part Number: MGR-GM10MSK

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Differential Cover, 10-bolt, Aluminum, Polished, GM 8.5 in., Each

Part Number: YGA-32029

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