Transmission Specialties Parts and Accessories

Automatic Transmission Case, Powerglide, Aluminum, Natural, SFI 4.1, GM, Each

Part Number: TOS-2505

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Big Shot XHD, Street Strip, 4,100-4,500 Stall, 30 Spline, 9.50 in., TH350/TH400, Each

Part Number: TOS-10000XHSXHD

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Lockup Street/Strip, 1,800-2,400 RPM Stall, Balanced, Billet Piston, 12 in. Dia., 11.5 in. BC, 4L80E, GM, Small/Big Block Chevy,Each

Part Number: TOS-124L80HS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Input Shaft, 4L80E 300M Extended Spline Input Shafts, Chevrolet, Each

Part Number: TOS-4L80SH

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Lockup, Balanced, Billet Cover and Piston,10 in., 4L80E, GM, Small Block Chevy, Each

Part Number: TOS-10091LS

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Valve Body, Trans-Brake Valve Body, Full Manual, Billet Aluminum, Chevy, TH400, Reverse Shift Pattern, Each

Part Number: TOS-4009N

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Lockup, Balanced, Billet Cover and Piston, 4L80E, LS1, Each

Part Number: TOS-10090LS

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Front Pump, TH400 Pump, Bolt-in, Forged Steel, GM, Each

Part Number: TOS-4063

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Output Shaft, Carrier, 1.80 Gear, Steel, GM, Powerglide, Each

Part Number: TOS-2540S

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Input Shaft, Billet, NASA, Powerglide to Turbo with Rings, GM, Each

Part Number: TOS-2517NASA

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Pump, 7-Bolt, Front, GM, Powerglide, Each

Part Number: TOS-2508A

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Solenoid, Trans-Brake, Aluminum, Natural, GM, Powerglide, Each

Part Number: TOS-2515

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Clutch Hub, Billet Forward Clutch Hub, High Gear Position, Steel, GM, THM400, Each

Part Number: TOS-4044

Not Yet Reviewed

Estimated Ship Date: Today

Solenoid, Trans-Brake, For Pancake Style, Aluminum, Natural, GM, Powerglide, Each

Part Number: TOS-2515A

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Input Shaft, Ringless, Billet, 300M Steel, Powerglide to Turbo with Bushing, Maximum 1,150 hp, GM, Each

Part Number: TOS-2517M

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Torque Converter, Big Shot XHD, Street Strip, 3,700-4,100 Stall, 30 Spline, 10.00 in., TH350/TH400, Each

Part Number: TOS-10000HSXHD

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Input Shaft, Hardened, 4340 Steel, Powerglide, GM, Each

Part Number: TOS-2518

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

T-400 FORWARD/DIRECT PISTON W/CHECK BALL

Part Number: TOS-4058

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Special Order

10" GM EXTRA LS XHD-XHD 2500-2900 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10000XLSXHD

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

GM TH350-400-XHD 3300-3700 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10000MSXHD

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

GM T-350-400 BIG SHOT 10 LS-XHD 2900-3300 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10000LSXHD

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Case, TH400, Aluminum, Natural, SFI 4.1, GM, Each

Part Number: TOS-4072

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN-MP FOR NON LS1-2500-2900 RPMS

Part Number: TOS-10091MPXLS

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

9.5 in. 245mm CORE SPRAGLESS HIGH STALL--GM

Part Number: TOS-901XHDHS

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

T-400 ALUM PRO MOD SPRAG AND DRUM--COMPLETE

Part Number: TOS-4041A

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order