HUMMER TransGo Performance Transmissions

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

Part Number: TRG-SK6L80

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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

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Clutch Select Valve and TCC Regulator Valve kit GM 6L45, 6L50, 6L80, and 6L90

Part Number: TRG-6L8CSTCC

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Specialty Components, 6L45, 6L50, 6L80, 6L90 Drop-in Pressure Regulator Valve Repair Kit

Part Number: TRG-6L8-VL-PR3

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

Part Number: TRG-PSR-5

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

Part Number: TRG-4L80E-TCC

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Estimated Ship Date: Today

Specialty Components, 6L80 Stock OE Replacement Boost Valve

Part Number: TRG-6L8BOOSTOES

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Estimated Ship Date: Dec 29, 2025 if ordered today