BUICK REGAL TransGo Performance Transmission & Drivetrain

TV Boost Valve, .500, Racing, Pro-Street, 700R4/200-4R, Kit

Part Number: TRG-7-500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/2/2026

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 2/2/2026

Specialty Components, TH400 Reverse Cushion Kit

Part Number: TRG-400RK

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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

Part Number: TRG-2004R-2ACM

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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: Monday 2/2/2026

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

Part Number: TRG-6T-PDP-TKC

Not Yet Reviewed

Estimated Ship Date: Feb 16, 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

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: TRG-7-422

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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

Part Number: TRG-6T40-PDP-OS

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Lube Boost Valve Repair Tool kit

Part Number: TRG-6T40G3LBTKC

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: TRG-4T60-ACM

Not Yet Reviewed

Estimated Ship Date: Feb 16, 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

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Specialty Components, TH200C Front Pump Lock-up Valve Kit

Part Number: TRG-200-LU

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Specialty Components, TH440-T4 Lube and Endplay Kit

Part Number: TRG-440LK

Not Yet Reviewed

Estimated Ship Date: Feb 16, 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 16, 2026 if ordered today

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• Special Order