Transmission Specialties Parts and Accessories

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

Part Number: TOS-2505

4.5 out of 5 stars ( 2 )

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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 )

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

Part Number: TOS-4009N

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

Part Number: TOS-4L80SH

2.0 out of 5 stars ( 2 )

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

Part Number: TOS-10000XHSXHD

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

Part Number: TOS-10091LS

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

Part Number: TOS-2540S

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

Part Number: TOS-2517NASA

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

Part Number: TOS-2515A

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Estimated Ship Date: Apr 27, 2026 if ordered today

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

Part Number: TOS-4044

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

Part Number: TOS-2508A

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

Part Number: TOS-4041A

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Estimated Ship Date: Apr 29, 2026 if ordered today

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

Part Number: TOS-10090LS

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

Part Number: TOS-2518

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

Part Number: TOS-4063

5.0 out of 5 stars ( 1 )

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

Part Number: TOS-2517M

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Transmission Bellhousing, New, Aluminum, SFI 30.1, GM, TH400, Aftermarket Case, Each

Part Number: TOS-4073

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Estimated Ship Date: Apr 29, 2026 if ordered today

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

Part Number: TOS-10000XLSXHD

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Estimated Ship Date: Apr 29, 2026 if ordered today

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

Part Number: TOS-10000MSXHD

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Estimated Ship Date: Apr 29, 2026 if ordered today

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

Part Number: TOS-10000LSXHD

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Estimated Ship Date: Apr 29, 2026 if ordered today

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PROLINE 2500 W/TBRAKE-1.80 GEARS, 300M OUTPUT, PRO-DEEP PAN

Part Number: TOS-2512-2500

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Estimated Ship Date: Apr 29, 2026 if ordered today

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

Part Number: TOS-4072

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Estimated Ship Date: Apr 29, 2026 if ordered today

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C-4 4340 INPUT SHAFT

Part Number: TOS-5009S

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Estimated Ship Date: Apr 29, 2026 if ordered today

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

Part Number: TOS-10091MPXLS

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Estimated Ship Date: Apr 29, 2026 if ordered today

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

Part Number: TOS-901XHDHS

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Estimated Ship Date: Apr 29, 2026 if ordered today

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