1981 CHEVROLET K20 Transmission & Drivetrain

Pinion Bearing, 1.437 in. i.d., BMW, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Mercedes-Benz, Volvo, Each

Part Number: TMK-HM89449

5.0 out of 5 stars ( 1 )

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

Torque Converter, Nitrous Holeshot,3.400 3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Differential Pinion Yoke, 1350, Strap Style, 30 Spline, Steel, GM 10.5 in., Each

Part Number: YGA-41179

4.5 out of 5 stars ( 2 )

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

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Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio

Part Number: SVL-2023695

2.0 out of 5 stars ( 1 )

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

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Ring and Pinion Kit

Part Number: RMG-GM105410

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Pilot Bearing, Roller, Steel, Chevy, V8, 1 1/8 in. Input Shaft Diameter, Each

Part Number: MCL-8605

3.33 out of 5 stars ( 3 )

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

Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1102

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Differential, No-Slip Traction System, 30-Spline, GM 10.5 in., Each

Part Number: PWT-92-0705-3000

4.67 out of 5 stars ( 3 )

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

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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

Not Yet Reviewed

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

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Axles, Replacement, Driver Side, Passenger Side, Rear, Chevy, GMC, 8.875 in., Pair

Part Number: MSR-A30-70GMT4

4.25 out of 5 stars ( 4 )

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

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Pressure Plate, Diaphragm-Style, 11 in. Disc Diameter, Chevy, GMC/Oldsmobile, Pontiac, Each

Part Number: RAM-402

1.0 out of 5 stars ( 2 )

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

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Bearing Race, Differential, Each

Part Number: TMK-LM501314

5.0 out of 5 stars ( 4 )

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

Automatic Transmission Pan, Stock, Aluminum, Polished, GM, TH400, Each

Part Number: TCI-228010

3.0 out of 5 stars ( 2 )

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

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Ring & Pinion Gear, 4.56 Ratio, GM, 9.5 in., 14-Bolt, Rear, Set

Part Number: YGA-24168

Not Yet Reviewed

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

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Pinion Bearing, Tapered Cone, 1.875 in. I.D., Cadillac, Chevrolet, GMC, Dodge, Oldsmobile, Pontiac, Each

Part Number: TMK-HM804846

Not Yet Reviewed

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

U-Joint, Spicer 1350 Universal Joint Style, Greasable, Steel, Round Plain Bearing Caps, AMC, Buick, Chevrolet, Dodge, Ford, GMC, Jeep, Pontiac, Each

Part Number: YGA-42010

Not Yet Reviewed

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

Pivot Ball and Screw, Clutch Bellcrank, Block Mount, 1040 Steel, Various Chevrolet V8s, Each

Part Number: OER-3866568

4.4 out of 5 stars ( 10 )

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

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

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Automatic Transmission Shift Shaft Seal, Steel/Rubber, Chevy, GMC< Buick, Pontiac, Cadillac, Jeep, Bentely, Isuzu, Each

Part Number: ATP-SO19

4.64 out of 5 stars ( 11 )

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

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

Wheel Bearing Race, Front Wheel Inner, Each

Part Number: TMK-JLM104910

5.0 out of 5 stars ( 2 )

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

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

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

Axle Bearing, GM, 10.5 in., 14-Bolt, Each

Part Number: YGA-10036

4.0 out of 5 stars ( 1 )

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

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