1978 CHEVROLET K10 Transmission & Drivetrain

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Truck, 3 Series, Set

Part Number: RMG-4900721

3.67 out of 5 stars ( 3 )

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

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16041

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Carrier Shims, Steel, Dana 44, Kit

Part Number: YGA-55010

1.0 out of 5 stars ( 2 )

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

Cross Pin, GM, 10-Bolt, 8.5 in. Each

Part Number: MGR-14006401

Not Yet Reviewed

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

Spool, Mini, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: RMG-78-1028-1

4.33 out of 5 stars ( 6 )

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

Flywheel, PQx, Billet Steel, 168-tooth, 30.000 lbs., SFI 1.1, External Engine Balance, Chevy, 383, 400, Each

Part Number: PQX-1640081

5.0 out of 5 stars ( 1 )

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

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Replacement, Service Kit for Hub, Kit

Part Number: MMK-402-SK

Not Yet Reviewed

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

Yukon cast yoke for GM 12P and 12T with a 1350 U/Joint size

Part Number: YGA-41068

5.0 out of 5 stars ( 1 )

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

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Ring and Pinion-GM 8.875

Part Number: MGR-GM12-411A

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Estimated Ship Date: Mar 13, 2026 if ordered today

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Oil Seal;

Part Number: NTL-8835S

5.0 out of 5 stars ( 3 )

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

Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

5.0 out of 5 stars ( 1 )

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

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Gear, Ring and Pinion, EXCel, 4.10:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT410

5.0 out of 5 stars ( 1 )

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

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Cross Pin, GM, 12-Bolt, 8.875 in., Each

Part Number: MGR-3931175

5.0 out of 5 stars ( 2 )

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

12P & 12T 1330 cast yoke.

Part Number: YGA-41152

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Clutch Kit, Stage 1 Heavy-Duty, Single, 1.130 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SBB-K04505-HD

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Ring and Pinion Installation Kit, Dana 44, 30 Spline Axle, Kit

Part Number: RAT-322K

4.0 out of 5 stars ( 7 )

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

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Yukon Master Overhaul kit for GM 8.5" front differential with aftermarket positraction

Part Number: YGA-14089

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Yukon hardcore drive flange kit for Dana 44, 19 spline outer stubs. Non-engraved caps..

Part Number: YGA-29079

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 25, 2026 if ordered today

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Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D42F

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Axle Shaft, OEM Replacement, Front Inner and Outer, Passenger Side, 1541H Manganese, 28/19-spline, 29.090 in. Length, GMC, Kit

Part Number: MGR-GM10FAXR

4.0 out of 5 stars ( 1 )

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

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Clutch Ball Stud, Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-14556

3.0 out of 5 stars ( 5 )

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

Yukon front 4340 Chromoly axle kit for '69-'80 GM truck and Blazer

Part Number: YGA-21414

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.875 in., 12-Bolt, Set

Part Number: MGR-GM12-308

3.0 out of 5 stars ( 2 )

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

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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: Mar 13, 2026 if ordered today

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Pinion Nut Washer, GM, Each

Part Number: YGA-33167

5.0 out of 5 stars ( 2 )

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