Performance & Replacement Transmission & Drivetrain 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: Sep 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: TCI-242122

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: TCI-254000

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HUP-GM25HDXLS

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Torque Converter, Super Streetmaster, Custom Order, 10.00 in. Diameter, Chevy, TH350, TH400, Each

Part Number: ATI-408320

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: ATI-408330

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HUP-GM20BPOHD

Not Yet Reviewed

Estimated Ship Date: Sep 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: BMM-20425

Not Yet Reviewed

Estimated Ship Date: Sep 15, 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: Sep 23, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Oct 6, 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: Sep 10, 2025 if ordered today

• Drop Ship
• 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: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

9.5IN TH350/TH400 ECONOMY STREET RACER SERIES - TURBO SPLINE - 3800 HARD HIT STALL

Part Number: FTI-ESR7082

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: OPG-PP06609

Not Yet Reviewed

Estimated Ship Date: Nov 24, 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: Oct 15, 2025 if ordered today

• Drop Ship
• Special Order

Flexplate Cover Chrm 'CHEVY-GM TH-350/400 CHROME STEEL FLEXPLATE COVER

Part Number: TCI-743867

Not Yet Reviewed

Estimated Ship Date: Oct 6, 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: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• $250.00 Summit Bucks
• Special Order

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

• 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, 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

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 Shifter, Megashifter, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80690

4.56 out of 5 stars ( 62 )

Estimated Ship Date: Today

• Free Shipping

Bellhousing Adapter, Aluminum, Kit

Part Number: ADD-712588-B

Not Yet Reviewed

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

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

Part Number: ATI-915664

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping