Transmission Specialties - Free Shipping on Orders Over $109 at Summit Racing

Transmission Specialties TH400 SFI Two-Piece Aluminum Transmission Cases 4072

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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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Powerglide 4340 Steel Input Shafts 5009S

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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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip Multi Plate 2,500-2,900 Stall Torque Converter 10091MPXLS

Transmission Specialties Lock-Up Street/Strip Multi Plate 2,500-2,900 Stall Torque Converter 10091MPXLS

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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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip Multi Plate 3,700-4,100 Stall Torque Converter 10090MPHS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN-MULTI PLATE-3700-4100 RPMS

Part Number: TOS-10090MPHS

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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 Multi Plate 3,700-4,100 Stall Torque Converter 10091MPHS

10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN-MP FOR NON LS1-3700-4100 RPMS

Part Number: TOS-10091MPHS

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Transmission Specialties 900 Series XHD Spragless Racing Converters 901XHDHS

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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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10090XLS

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

Part Number: TOS-10090XLS

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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 10080LS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--2900-3300 RPMS

Part Number: TOS-10080LS

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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 10400MSXHD

3300-3700 RPMS 727

Part Number: TOS-10400MSXHD

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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 Tailhousings 4059

T-400 TAIL HOUSING -W/BUSHING-

Part Number: TOS-4059

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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 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

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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

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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 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

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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

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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

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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

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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

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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 3,700-4,100 Stall Torque Converter 10060HS

GM 200R4 BIG SHOT 10-LOCKUP HS-3700-4100 RPMS-WITH MECHANICAL DIODE SPRAG

Part Number: TOS-10060HS

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 Pumps 2508A PM

PRO MOD PUMP WITH T-400-STATOR TUBE

Part Number: TOS-2508APM

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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 168-Tooth Flexplate 7005

Flexplate, 168-Tooth, Internal Engine Balance, Billet Steel, SFI 29.1, Chevrolet, V8, Each

Part Number: TOS-7005

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Transmission Specialties SFI Approved 168-Tooth Flexplate 7003

Flexplate, 168-Tooth, Internal Engine Balance, Chromoly, SFI 29.1, Chevrolet, V8, Each

Part Number: TOS-7003

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Transmission Specialties SFI Approved 168-Tooth Flexplate 7001

Flexplate, 168-Tooth, Internal Engine Balance, Chromoly, SFI 29.1, Chevrolet, GM LS Gen III/IV, Each

Part Number: TOS-7001

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Transmission Specialties Automatic Transmission Rebuild Components 4058

T-400 FORWARD/DIRECT PISTON W/CHECK BALL

Part Number: TOS-4058

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Transmission Specialties Valve Body Gaskets 2514G

VALVE BODY GASKETS SET OF 3

Part Number: TOS-2514G

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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 Rebuild Components 2505AB

POWERGLIDE LONG TAILHOUSING WITH BUSHING

Part Number: TOS-2505AB

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 Parts and Accessories