GMC TransGo Performance Transmissions

Shift Kit, Automatic Type, GM, 4L80E, 4L85E, Forward/Standard Shift Pattern, Each

Part Number: TRG-4L80E-HD2

4.69 out of 5 stars ( 54 )

Estimated Ship Date: Today

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Shift Kit, Automatic Type, Includes .500 in. Boost Valve, GM, 4L60E, Each

Part Number: TRG-4L60E-HD2

4.74 out of 5 stars ( 58 )

Estimated Ship Date: Today

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Automatic Transmission Shift Kits, Reprogramming Kit, Performance/Tow/Haul, GM, 6L45, 6L50, 6L80, 6L90, Kit

Part Number: TRG-6L80-TOW-PRO

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Shift Kit, Performance, Gaskets, Pro-Race, Heavy Duty, Super Show Off, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, TH400, Kit

Part Number: TRG-400-PRO

4.95 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH400, 1965-95, Kit

Part Number: TRG-400-1-2

4.76 out of 5 stars ( 21 )

Estimated Ship Date: Today

Automatic Shift Kit, 6L80, 6L80E, 6L90, 6L90E, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: TRG-SK6L80

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Shift Kit, Automatic, Full Manual, GM, 700R4, Towing, Competition, Pro Sreet, Each

Part Number: TRG-700-2-3

4.32 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Automatic Transmission Shift Kit, Automatic Transmission Valve Body Repair Kit, 8L90E, Cadillac, Chevrolet, GMC, Kit

Part Number: TRG-SK-8L90

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350, 1969-81, Kit

Part Number: TRG-350-3

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Shift Kit, Performance, Full Manual or Automatic Capability, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH400

Part Number: TRG-400-3

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: TRG-6T-PDP-TKC

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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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: Oct 7, 2025 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

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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

Part Number: TRG-SK440-3

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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