1990 TransGo Performance Transmissions

Shift Kit, Shift Improvement, with Auxiliary Valve Body, GM, 700R4, 4L60, Each

Part Number: TRG-SK700-JR

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

Separator Plate, Tempered Steel, Zinc Plated, GM, 700R4, Each

Part Number: TRG-700-P

4.64 out of 5 stars ( 33 )

Estimated Ship Date: Monday 1/26/2026

Specialty Components, Solenoid Switch Valve Refill Kit (.453 Diameter Only) Does not include tools.

Part Number: TRG-RFE-SV453-NT

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

SHIFT KIT Valve Body Repair Kit, Torqueflite 3SPD SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SKTFSC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Automatic Shift Kit, THM400, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Kit

Part Number: TRG-SK400

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Specialty Components, Solenoid Switch Valve Refill Kit (.420 Diameter Only) Does not include tools.

Part Number: TRG-RFE-SV420-NT

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Automatic Transmission Shift Kits, Valve Body Repair, AOD, Kit

Part Number: TRG-SKAOD

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Boost Valve/Bushing, Intermediate and Reverse, 700R4/200-4R, Kit

Part Number: TRG-7-300

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/26/2026

Specialty Components, 42-48RE/RH Throttle Valve Repair Kit

Part Number: TRG-TF-TV

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Specialty Components, TH400 Reverse Cushion Kit

Part Number: TRG-400RK

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

1-2 Accumulator Piston Kit Fits TH200-4R 1981-on

Part Number: TRG-2004R-2ACM

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

VALVE BODY REPAIR

Part Number: TRG-TF-BOOST

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Autmatic Transmission valve and bushing

Part Number: TRG-E4-VL-LR3

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

SHIFT KIT Valve Body Repair Kit, A604/606/42LE nonVLP SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK604

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, N4AEL SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SKN4AEL

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, A4LD SHIFT KIT® Jr. Valve Body Repair Kit

Part Number: TRG-SKA4LD-JR

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, 4EAT-F/ F4AEL /FB4AEL SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SKF4AEL

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, KM 175/176/177 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SKKM-175-77

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, ATX SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SKFX

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, RE4F02A, RL4F02A SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SKRE4F02A

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Separator Plate, Tempered Steel, Zinc Plated, Chrysler, 500/42-44 RH/RE, without LU Boost Tube, Kit

Part Number: TRG-TF-PLT-94B

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Specialty Components, TH440-T4, 4T60 Reverse Cushion Kit

Part Number: TRG-440RK

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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• Special Order