TransGo Allison A1-Shift Valves

Fits 2001-2010 5 and 6 Speed Allison 1000-2400 series.

Duramax Diesel Chevrolet, GMC Diesel/Gas Trucks Heavy Duty, Street, Show & Competition.

Includes New design steel shift valves C, D and E that resist sticking.

"Good News" Addresses Sticking Shift Valves that set common Pressure Switch or Solenoid performance codes.

Installation recommendation: Experienced technician

Transmission removal necessary: No

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