1981 CHEVROLET K20 Transmission & Drivetrain

Differential Cover, 10-bolt, Steel, Chrome, GM 8.5 in., Front Only, Each

Part Number: YGA-32016

2.5 out of 5 stars ( 2 )

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

Clutch Kit, Stock Replacement, 1.125 in. - 10-spline Input, Heavy-duty Disc, 12.00 in. Diameter, Pressure Plate, Checker, Chevy, GMC, Pontiac, Kit

Part Number: SXR-K1909-02HD

4.0 out of 5 stars ( 2 )

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

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Axle Shaft, Rear, 4340 Chromoly, 30-spline, 35.000 in. Length, Full Floating, GM 10.5 in (14-bolt), GM 11.5 in

Part Number: YGA-21716

5.0 out of 5 stars ( 1 )

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

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Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Differential, Lock-Right, Locker, 33-Spline, GM, 9.2 in./9.5 in., Each

Part Number: PWT-1950-LR

4.67 out of 5 stars ( 3 )

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

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Clutch Master Cylinder, Tilton Hydraulic, 0.750 in. Bore Size, Aluminum, Black, Two Outlets, Reservoir, Chevrolet, GMC, Kit

Part Number: BTM-4773873

5.0 out of 5 stars ( 1 )

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

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Bearing, Driveshaft Support, Checker, Chevy, GMC, Dodge, International, Isuzu, Oldsmobile, Plymouth, Each

Part Number: TMK-HB88107A

3.83 out of 5 stars ( 6 )

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

Gear, Ring and Pinion, 2.73:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-812

4.0 out of 5 stars ( 1 )

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

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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

Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 60, 10-Bolt, Each

Part Number: AUB-545023

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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U-Joint, Spicer 1310, Steel, Each

Part Number: YGA-42003

3.67 out of 5 stars ( 6 )

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

Ring and Pinion Installation Kit, GM, 10-Bolt, 8.5 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831021B

2.67 out of 5 stars ( 3 )

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

Pinion Bearing Race, 2.844 in. Diameter, Each

Part Number: TMK-HM88610

5.0 out of 5 stars ( 1 )

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

U-Joint, Spicer 1310, Greasable, Steel, Each

Part Number: YGA-42008

5.0 out of 5 stars ( 3 )

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

Tailshaft Housing, Aluminum, GM, TH400, Each

Part Number: TCI-226405

5.0 out of 5 stars ( 4 )

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

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Transmission Filter, Direct-Fit, Kit

Part Number: ATP-B37

5.0 out of 5 stars ( 3 )

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

Clutch Disc, 200 Series, 1.125 in. - 10-spline, Organic, 11.00 in. Diameter, AMC, Buick, Chevy, GMC, Jeep

Part Number: RAM-202

Not Yet Reviewed

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

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Cable Bracket, Replacement, Used With Bandit Shifters, GM, TH250/TH350/TH375/TH400/2004R/700R4, Each

Part Number: BMM-30498

3.89 out of 5 stars ( 9 )

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

Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set

Part Number: MGR-706016XR

Not Yet Reviewed

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

Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

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

Clutch Kit, Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Kit

Part Number: ZZZ-30015

3.5 out of 5 stars ( 4 )

Estimated Ship Date: May 20, 2026 if ordered today

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Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

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

Bearing Race, Differential Pinion, 3.750 in. Diameter, Cadillac, Each

Part Number: TMK-HM804810

Not Yet Reviewed

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

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

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

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

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Throwout Bearing, Replacement, Standard Style, Buick, Checker, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SXR-SN1716SA

Not Yet Reviewed

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