Performance & Replacement Transmission & Drivetrain Parts

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: Today

• Free Shipping

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: Today

• Free Shipping

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

Part Number: BMM-20425

Not Yet Reviewed

Estimated Ship Date: Oct 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Today

• Free Shipping

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

Part Number: TCI-966350

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

• Drop Ship
• Special Order

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: Today

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

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: OPG-SW00151-RVR

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: OPG-PP06609

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HUP-GM30L

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: AWW-03909591

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Special Order

TRANS, TH-350 UNI SF/SF PACKAGE

Part Number: TCI-311000BP3

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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
• Free Shipping

Automatic Transmission, TH400 Level 4, Remanufactured, 3 Gears, Deep Pan, Torque Converter, Chevrolet, THM400, Kit

Part Number: FTI-TH400-4K51

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: BMM-80675

4.63 out of 5 stars ( 154 )

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

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

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

FLEXPLATE - GEN 3 HEMI - 130TH - TO GM TRANS - INT BAL

Part Number: ATI-915664

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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
• Free Shipping

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

• Free Shipping

TRANSMISSION, POWER GLIDE BRACKET LEVEL 5.5 SHORT SHAFT,2200HP RATED

Part Number: FTI-BPG5-5S

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Aftermarket SFI approved case, 1200 hp, Pro tree transbrake, steel clutch hub, 1.80 straight cut planetary, 30

Part Number: FTI-PPG4S

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order