GMC Transmissions

Automatic Transmission Rebuild Kit, TransKit, GM, TH375, TH400, Kit

Part Number: BMM-20229

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 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 3/23/2026 if shipped by air

Transmission Dipstick, Braided Stainless Steel, Natural, TH350, Each

Part Number: MRG-9703G

3.63 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Transmission Pan, Deep, Steel, EDP Coated Black, GM TH400, Each

Part Number: MRG-9786BMRG

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E28Q

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Automatic Transmission Kickdown Kit, Carburetor/Fuel Injection, Buick, Chevy, Oldsmobile, Pontiac, 700R4, Kit

Part Number: BMM-70242

3.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Automatic Transmission Pan, Deep, Aluminum, Natural, 2 qt. Capacity Increase, Chevy, GMC, 10L80, Each

Part Number: BMM-70401

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Transmission Dipstick, Steel, Chrome, TH350, Each

Part Number: MRG-9764

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Flexplate, Black Fle-Xplate, Billet Machined, SFI 29.3, Black Oxide, Chevrolet, GMC, Duramax, Each

Part Number: BDD-1041260

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 10.500 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1100

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Flywheel, Steel, 168-Tooth, 40 lb., External Engine Balance, Chevy, Big Block, 454, Each

Part Number: HAY-10-245

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Clutch Kit, Street/Strip, Organic, 1 1/8 in.-10-Spline, 10.5 in. Diameter Disc, Buick, Chevy, Pontiac, Kit

Part Number: HAY-85-103

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Torque Converter, Traveler, Chevy, 4L80E, 1,900-2,100 rpm Stall Range, Each

Part Number: BMM-70431

1.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Transmission Pan, Automatic, Cast Aluminum, Natural, 3.82 qt. Additional Fluid, GM, 8L90, 8L90E, Each

Part Number: BMM-70399

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Torque Converters, Twister Full Race, 2,400-2,800 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D24F

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Torque Converter, Twister Full Race, 35-spline, 9.600 in. Diameter, 6L80E, Each

Part Number: HAY-97-1K28F

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Chevy, Powerglide, Each

Part Number: BMM-70411

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Automatic Transmission Pan, Deep, Aluminum, Black Anodized, 2 qt. Capacity Increase, Chevy, GMC, 10L80, Each

Part Number: BMM-71401

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Transmission Pan, Deep, Aluminum, Natural, GM, 8L90E, Each

Part Number: BMM-70396

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E/4L65E, 3600-4200 RPM stall

Part Number: HAY-97-1H36Q

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Flexplate, 153 Tooth, Internal Balance, 1-Piece Rear Main Seal, Steel, Chevy, Each

Part Number: QTI-RM-925

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Estimated Ship Date: Apr 7, 2026 if ordered today

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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: Apr 10, 2026 if ordered today

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Torque Converter, Twister Full Race, 35-spline, 9.600 in. Diameter, 6L80E, Each

Part Number: HAY-97-1K24F

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Estimated Ship Date: Apr 10, 2026 if ordered today

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Torque Converter, Twister Full Race, 9.600 in. Diameter, 35 Spline, 2400-2800 RPM Stall, 11.50 in. Bolt Circle, 4L80E, Each

Part Number: HAY-97-1J24F

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Torque Converter, Holeshot, 3,400-3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20425

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Estimated Ship Date: Apr 7, 2026 if ordered today

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