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Transmission Specialties Parts and Accessories

Individual Parts

Part Groups

Results 1 - 25 of 43

Transmission Specialties Billet Aluminum TH400 Valve Bodies 4009N

Transmission Specialties Billet Aluminum TH400 Valve Bodies 4009N

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: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Transmission Specialties Big Shot XHD 4,100-4,500 Stall Torque Converter 10000XHSXHD

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: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Transmission Specialties Powerglide Billet NASA Input Shafts 2517NASA

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

Part Number: TOS-2517NASA

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Transmission Specialties TH400 Front Pump Assemblies 4063

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

Part Number: TOS-4063

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Transmission Specialties Big Shot XHD 2,500-2,900 Stall Torque Converter 10000XLSXHD

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

Part Number: TOS-10000XLSXHD

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Big Shot XHD 3,300-3,700 Stall Torque Converter 10000MSXHD

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

Part Number: TOS-10000MSXHD

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Big Shot XHD 2,900-3,300 Stall Torque Converter 10000LSXHD

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: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Big Shot XHD 3,700-4,100 Stall Torque Converter 10102HSXHD

FORD C4 1970-UP 11 7/16 BC-BIG SHOT 10 HS XHD-3700-4100 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10102HSXHD

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Transmission Specialties Big Shot XHD 2,900-3,300 Stall Torque Converter 10201LSXHD

FORD C-6 BIG SHOT 10 LS XHD-1.848 PILOT-2900-3300 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10201LSXHD

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Big Shot XHD 3,700-4,100 Stall Torque Converter 10000HSXHD

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: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Billet Aluminum Powerglide Valve Bodies 2514BN

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

Part Number: TOS-2514BN

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Automatic Transmission Input Shafts 4042A

T-400 NASA INTERMEDIATE -MAIN SHAFT

Part Number: TOS-4042A

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Transmission Specialties Big Shot 3,700-4,100 Stall Torque Converter 10050HS

GM 700R4 BIG SHOT 10-LOCKUP HS-3700-4100RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10050HS

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10060LS

GM 200R4 BIG SHOT 10-LOCKUP LS-2900-3300 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10060LS

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Transmission Specialties Automatic Transmission Rebuild Components 2517H2

OVERSIZED H2 1.125" NASA INPUT FOR OS GEARS

Part Number: TOS-2517H2

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Specialties Automatic Transmission Rebuild Components 4039A

T-400 NASA INPUT AND FORWARD DRUM--TO 2000 HP

Part Number: TOS-4039A

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Transmission Specialties Automatic Transmission Rebuild Components 4078A

TURBO 400 HEAVY DUTY LIGHTWEIGHT INPUT AND FORWARD DRUM, AERMET MATERIAL

Part Number: TOS-4078A

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties TH400 Front Pump Assemblies 4063OS

T-400 AFTERMARKET PUMP W/ OVERSIZED STATOR-ONE PIECE

Part Number: TOS-4063OS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Big Shot 2,900-3,300 Stall Torque Converter 10050LS

GM 700R4 BIG SHOT 10-LOCKUP LS-2,900-3300 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10050LS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10052HS

GM 4L60E LS1-LOCKUP-3700-4100-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10052HS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Big Shot XHD 2,900-3,300 Stall Torque Converter 10102LSXHD

FORD C4 1970-UP 11 7/16 BC-BIG SHOT 10 LS XHD-2900-3300 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10102LSXHD

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Big Shot XHD 3,700-4,100 Stall Torque Converter 10200HSXHD

FORD C-6 BIG SHOT 10 HS XHD-1.375 PILOT-3700-4100 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10200HSXHD

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Torque Converters 124L60E

4L60EHIGH STALL -2400-2700 RPMS

Part Number: TOS-124L60E

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Automatic Transmission Pumps 2508A OS

pg AFTERMARKET OVERSIZED PUMP

Part Number: TOS-2508AOS

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Elite Series Flexplates 7012

Flexplate, Internal Engine Balance, Billet Steel, SFI 29.1, Ford, Powerstroke, 6.0L, Each

Part Number: TOS-7012

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

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