Transmissions & Transmission Parts

Torque Converter, Treemaster, Chevy, TH350/TH400, 10 in. Diameter, Each

Part Number: ATI-408360

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Torque Converter, Streetmaster, Chevy, TH350/TH400, 10 in. Diameter, Each

Part Number: ATI-408340

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Torque Converter, Competition, Custom Order, Balanced, 8.0 in. Diameter, Chevy, TH350, TH400, Each

Part Number: TCI-254000

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Torque Converter, Super StreetFighter, Chevy, Buick, Oldsmobile, Pontiac, TH350/TH375/TH400, Each

Part Number: TCI-242122

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Torque Converter, Holeshot, 1,800-2,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20416

4.39 out of 5 stars ( 18 )

Estimated Ship Date: Tomorrow

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Torque Converter, Tork Master, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20402

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Torque Converter, Tork Master, 2,300-2,500 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20404

4.41 out of 5 stars ( 37 )

Estimated Ship Date: Tomorrow

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Torque Converter, Holeshot, 2,900-3,200 rpm Stall Range, GM, THM350/THM400, Each

Part Number: BMM-20483

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Torque Converter, Nitrous Holeshot, 3,200-3,500 rpm Stall, GM, THM350/THM400, Each

Part Number: BMM-20484

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Torque Converter, Nitrous Holeshot, 3,500-3,800 rpm Stall Range, 30-spline, THM350/THM400, Each

Part Number: BMM-20485

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Torque Converter, Tork Master, 1,900-2,100 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20400

4.32 out of 5 stars ( 77 )

Estimated Ship Date: Tomorrow

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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: Oct 23, 2025 if ordered today

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Torque Converter, ESR Series, 9.50 in. Diameter, 3,000 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR3082

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

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245MM 30 SPLINE Has TH350 (10.75) & TH400 (11.50) Bolt patterns. Will not fit 153 tooth flexplate, see GM45BILLET-153T

Part Number: HUP-GM45BILLET

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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DUST COVER - FRONT PUMP SEALER - GM PG TH350 TH400

Part Number: ATI-973079

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 21, 2025 if ordered today

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Crankshaft Adapter Sleeves, Steel, 1.703 in. Crank Pilot Diameter, Adapts TH350 and TH400 Torque Converter Snout To LS Engines, Chevy, LS, Each

Part Number: FTI-FCALS

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

245MM 30 SPLINE Has TH350 (10.75) & TH400 (11.50) Bolt patterns. Will not fit 153 tooth flexplate, see GM35BILLET-153T

Part Number: HUP-GM35BILLET

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Estimated Ship Date: Tomorrow

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Torque Converter, Pro-Street 30 Series, 3,000 rpm Stall, Chevy, TH350, Each

Part Number: HUP-GM30L

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Dust Cover, Dust Cover, Torque Converter, TH350/400, Polished Finned Aluminum

Part Number: OPG-PP06609

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Estimated Ship Date: Jan 2, 2026 if ordered today

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TRANS, TH-350 UNI SF/SF PACKAGE

Part Number: TCI-311000BP3

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Automatic Transmission Package, TH400 level 4, Dipstick & Tube, Cooler Lines, Cooler, FTI ATF Fluid, SST89-0 Racing Billet Stall Converter, Kit

Part Number: FTI-TH400-4K21

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Core Charge $350.00
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Automatic Transmission, TH400 Level 4, Remanufactured, 3 Gears, Deep Pan, Torque Converter, Chevrolet, THM400, Kit

Part Number: FTI-TH400-4K51

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Estimated Ship Date: Tomorrow

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Automatic Transmission, Mud Series Powerglide Level 5, Two Gears, 1.80 First Gear Ratio, Hardened 4340 Output Shaft, SFI 4.1/30.1, Chevrolet, Each

Part Number: FTI-MPG5S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Bellhousing Adapter, Aluminum, Kit

Part Number: ADD-712588-B

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Estimated Ship Date: Tomorrow

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Bolt, Bellhousing Type, Allen/Hex Head, Steel, Black Oxide/Zinc Plated, 3/8-16 in. Thread, Buick, Chevy, Each

Part Number: JPT-92450-K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow