Performance & Replacement Transmission & Drivetrain Parts

Torque Converter, Street Rod, 2,500 rpm Stall, Chevy LS, TH350, TH400, Each

Part Number: HUP-GM25HDXLS

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Torque Converter, Street Rod, 2,000 rpm Stall, Buick, Oldsmobile, Pontiac, BOP, TH350, TH400, HD Sprag, Each

Part Number: HUP-GM20BPOHD

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Estimated Ship Date: Nov 3, 2025 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: Oct 24, 2025 if ordered today

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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

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Estimated Ship Date: Today

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Yoke, 1350, 27-spline, 1.5 in. Diameter, 6.938 in. Working Length, GM, Powerglide, TH350, Each

Part Number: TCI-966350

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Estimated Ship Date: Nov 13, 2025 if ordered today

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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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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: Today

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Yoke, 1310, 27-spline, 1.5 in. Diameter, 5.470 in. Working Length, GM, Powerglide, TH350, Each

Part Number: TCI-966310

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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Shift Indicator Lens, Console, 1968-70 Chevelle/El Camino, TH350/TH400 Reverse

Part Number: OPG-SW00151-RVR

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Estimated Ship Date: Jan 5, 2026 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 5, 2026 if ordered today

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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: Nov 3, 2025 if ordered today

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Backup Light Switch, NEUTRAL SAFETY / BACKUP LIGHT SWITCH, console shift TH350-400 automatic transmission

Part Number: AWW-03909591

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Estimated Ship Date: Nov 25, 2025 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 14, 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: Today

• Core Charge $350.00
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Shifters, Automatic, Magnum Grip Pro Stick, Pistol Grip Knob, 7.00 in. Shifter Stick Length, Dual Button Grip, Chevrolet, Chrysler, Dodge, Ford, Each

Part Number: BMM-81104

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

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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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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: Today

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Automatic Shifter, StarShifter, Chevy, Ford, Lincoln, Mercury, Mopar, Each

Part Number: BMM-80675

4.63 out of 5 stars ( 154 )

Estimated Ship Date: Today

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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: Today

Bellhousing Adapter, Aluminum, Kit

Part Number: ADD-712588-B

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Estimated Ship Date: Today

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Automatic Transmission, Level 3, TH400, Forward Shift, Ultra Bell, Chevy, Each

Part Number: FTI-TH400-3UB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $350.00
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FLEXPLATE - GEN 3 HEMI - 130TH - TO GM TRANS - INT BAL

Part Number: ATI-915664

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Estimated Ship Date: Today

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Automatic Shifter, Quicksilver, Black Chrome, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-81683

4.24 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Automatic Shifter, Unimatic, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80775

4.3 out of 5 stars ( 73 )

Estimated Ship Date: Today

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Automatic Transmission, 3-Speed, Ultra-Bell Bellhousing, Reverse Shift Pattern, Full Manual Valve Body, ER310 Input Shaft Material, GM, TH400, Each

Part Number: FTI-TH400-5UB

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Estimated Ship Date: Nov 7, 2025 if ordered today

• Core Charge $350.00
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