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USD 857.68

ATS Performance Valve Body 3039004272

PART# 303-900-4272 | SKU ATS3039004272

Vehicle Fitment:
2003-2005 GM 6.6L Duramax LB7/LLY | See full application list below
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Performance Valve Body Assembly - 2003-05 GM LCT1000 5 speed Features:

  • Improved shift quality and timing characteristics
  • Increased line pressure
  • Performance A Trim & B Trim Valves
  • Proprietary design modifications


  • MPN 303-900-4272
  • SKU ATS3039004272
  • ID 12932
  • Manufacturer Name ATS Diesel
  • Shipping Weight 20.00 lb.
  • Shipping Length 15 in.
  • Shipping Width 8 in.
  • Shipping Height 21 in.
  • Fuel Type Diesel
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L0R0


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Questions and Answers

Will this work with a mildly built trans?
View Staff Answer 

Absolutely, the ATS Performance Valve Body 303-900-4272 is the perfect upgrade over your stock valve body.

would this work with an 02 stock allison trans? 02 lb7 allison 5 speed , would ats valve body work in stock trans
View Staff Answer 

Yes, the ATS PERFORMANCE VALVE BODY 3039004272 will work in a stock transmission/stock vehicle.

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