GMC TransGo Performance Transmission & Drivetrain

Valve Body Repair, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, TH250, TH250C, TH350, TH350C, Kit

Part Number: TRG-SK350

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Specialty Components, 6L45, 6L50, 6L80, 6L90, 6T70-75 GEN1 Pressure Switch Repair Kit for TEHCMs

Part Number: TRG-PSR-5

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Accumulator Piston, Aluminum, Forward, GM, 4L60E, 4L65E, 4L70E, Each

Part Number: TRG-4L6-FWD

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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 3/23/2026 if shipped by air

Separator Plate, Tempered Steel, Zinc Plated, GM, 4L80E, Each

Part Number: TRG-48-PLT-01

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Accumulator Piston, Aluminum, 1-2 Piston, .236 in. Diameter Hole, No Legs, GM, 4L60E, 4L65E, 4L70E, Each

Part Number: TRG-4L65-2ACM

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Accumulator Piston, Aluminum, 1-2 Piston, .236 in. Diameter Hole, With Legs, GM, 4L60E, Each

Part Number: TRG-4L6-2ACM

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Torque Converter Reguilator Valve, 4L80E, 4L85E, Kit

Part Number: TRG-4L80E-TCC

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Shift Kit, TH200-4R, Kit

Part Number: TRG-SK200-4R

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Shift Kit, Automatic Type, Chevy, GMC, Allison, 1000, 2000, 2400, Towing, Heavy Duty, Each

Part Number: TRG-ALLISON-SK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 3, 2026 if ordered today

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Separator Plate, Tempered Steel, Zinc Plated, GM, 4L60E, Each

Part Number: TRG-46-PLT-94

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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 3/23/2026 if shipped by air

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 3/23/2026 if shipped by air

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

Part Number: TRG-2004R-2ACM

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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 3/23/2026 if shipped by air

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

Part Number: TRG-SK6T70-A

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Specialty Components, TH400 Reverse Cushion Kit

Part Number: TRG-400RK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: TRG-6T-PDP-TKC

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Separator Plate, Tempered Steel, Zinc Plated, GM, 4L60E, Each

Part Number: TRG-46-PLT-95

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: TRG-SK6T70-G2

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Specialty Components, 6L80 Stock OE Replacement Boost Valve

Part Number: TRG-6L8BOOSTOES

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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: Apr 3, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: TRG-425-1

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: TRG-7-422

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: TRG-SK279

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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• Special Order