1981 CHEVROLET K20 Transmissions

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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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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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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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

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

Flywheel, Aluminum, 12.0 lbs. 153-Tooth, Internal/External Engine Balance, Chevy, Each

Part Number: MCL-560300

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, 2,400 rpm Advertised Flash Stall, TH400, Each

Part Number: HAY-97-1D24Q

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Clutch Fork Pivot Ball, Fixed, Steel, Natural, GM, Each

Part Number: HAY-84-119

3.0 out of 5 stars ( 6 )

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

Flywheel, Aluminum, 10.5 lbs., Chevy, Each

Part Number: FIZ-198541

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

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Pilot Bearings and Bushings, Roller Type, Steel Roller Bearing, 0.719 in. Width, 1.100 in. O.D., Buick, Chevy, Eagle, GMC, Jeep, Olds, Pontiac, Each

Part Number: SKF-B657

3.0 out of 5 stars ( 4 )

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

FLEXPLATE

Part Number: PIO-FRA-100

1.0 out of 5 stars ( 4 )

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

Clutch Assembly, 342.9mm Clutch Diameter, 301.63mm Clutch Disc Diameter, 10-Spline, 5-Spring, 1.125 in. Input Shaft Diameter, GM, L6, V8, Kit

Part Number: LUK-04-105

5.0 out of 5 stars ( 1 )

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

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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350TPU

5.0 out of 5 stars ( 2 )

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

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Flywheel Bolts, Heat Treated Steel, 12 point, 7/16 in.- 20 RH, 1.00 in. length, Chevy, Ford, Set of 6

Part Number: PQX-1001102

Not Yet Reviewed

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

Bearings, Rear Case, Shims, Automatic, TH400, Kit

Part Number: TCI-224400

4.92 out of 5 stars ( 12 )

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

Clutch Kit, Super StreetPro, 1.125 in. - 26-spline, Organic/Ceramic Disc, Pressure Plate, Chevy, Kit

Part Number: MCL-75231

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

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Pressure Plate, Centerforce II, Diaphragm, 11 in. Disc Diameter, Buick, Chevy, Dodge, Ford, GMC, Oldsmobile, Pontiac, Each

Part Number: CTF-CFT165552

5.0 out of 5 stars ( 2 )

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

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Torque Converter, GM TH400 65-86 FB HS

Part Number: CCV-TQBU3HF

Not Yet Reviewed

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

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Flywheel, OEM Cast, 168-Tooth, 30 lb., Internal Engine Balance, Chevy, GMC, Each

Part Number: PIO-FW100

4.0 out of 5 stars ( 31 )

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

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Throwout Bearing, 1.375 in. Shaft Diameter, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: HAY-70-104

5.0 out of 5 stars ( 6 )

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

Automatic Transmission Shift Shaft Seal, Nitrile, Buick, Cadillac, Chevy, Each

Part Number: ADO-8792S

1.0 out of 5 stars ( 2 )

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

Throwout Bearing, Standard, Self-aligning, Buick, Checker, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TMK-614018

3.67 out of 5 stars ( 3 )

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

Flexplate, 153 Tooth, Internal Balance, 2-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-922

4.2 out of 5 stars ( 5 )

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

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Transmission Filter, Replacement, TH400, Buick, Chevrolet, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: WIX-58881

3.5 out of 5 stars ( 8 )

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

Clutch Kit, Organic, 1 1/8 in.- 10-Spline, 12 in. Disc, Chevy, GMC, Pickup, SUV, Van, L6, V8, Kit

Part Number: ZZZ-MU1862-1

3.0 out of 5 stars ( 4 )

Estimated Ship Date: May 18, 2026 if ordered today

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