BUICK TransGo Performance Transmissions

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

Part Number: TRG-2004R-2ACM

Not Yet Reviewed

Estimated Ship Date: Today

Shift Kit, TH200-4R, Kit

Part Number: TRG-SK200-4R

Not Yet Reviewed

Estimated Ship Date: Today

Boost Valve/Bushing, .472 TV, 700R4/200-4R, Towing/Heavy Duty/Off-Road, Kit

Part Number: TRG-7-472

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Specialty Components, 6T30-80 Pulse Dampener Accumulator Tool Kit (accumulators sold separately)

Part Number: TRG-6T-PDP-TKC

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, 6T70, 6T75, 6T80 2013-on GEN2 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK6T70-G2

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Specialty Components, 6T70-80 GEN1/ GEN2 VB Pulse Dampeners Accumulators (tool not included)

Part Number: TRG-6T70-PDP-OS

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, 6T70, 6T75 GEN1 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK6T70-A

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Boost Valve/Bushing, .422 TV, 700R4/200-4R, Kit

Part Number: TRG-7-422

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Estimated Ship Date: Today

SHIFT KIT® Valve Body Repair Kit Fits GEN3 6T40 Series, 6T31, 6T41/6T51

Part Number: TRG-SK6T40-G3

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Specialty Components, 6T30/40/45/50 GEN2 and GEN3 VB Pulse Dampeners Accumulators (tool not included)

Part Number: TRG-6T40-PDP-OS

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, THM 200/C 1979-87 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK279

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Lube Boost Valve Repair Tool kit

Part Number: TRG-6T40G3LBTKC

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Shift Kit, Automatic Type, GM, THM 425, GMC Kit

Part Number: TRG-425-1

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Specialty Components, 4T60, TH440 1-2 & 3-4 Accumulator Piston

Part Number: TRG-4T60-ACM

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, TH425 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK425

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, TH325 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK325

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Specialty Components, 4T60E 1-2 & 2-3 Accumulator Piston Kit (Replaces 3)

Part Number: TRG-4T60-ACM2

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, 4T60E 1991-99 SHIFT KIT® Jr. Valve Body Repair Kit

Part Number: TRG-SK4T60E-JR

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, 6T30-45 GEN1 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK6T40-A

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, 6T40, 6T45 GEN2 2013-17 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK6T40-G2

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit Fits 2004R 1981-on

Part Number: TRG-SK200

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, TH325-4L SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK325-4L

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Specialty Components, TH440-T4, 4T60 SHIFT KIT® Valve Body Repair Kit

Part Number: TRG-SK440-3

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Estimated Ship Date: Feb 13, 2026 if ordered today

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SHIFT KIT Valve Body Repair Kit, TH440-T4, 4T60 SHIFT KIT® Jr. Valve Body Repair Kit

Part Number: TRG-SK440-JR

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Specialty Components, TH440-T4 Lube and Endplay Kit

Part Number: TRG-440LK

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Estimated Ship Date: Feb 13, 2026 if ordered today

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