Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom Click or scroll to zoom Tap or pinch to zoom Electronic Fuel Regulator | 01 - 09 6.6L Duramax LB7/LLY/LBZ/LMM by ATS Diesel Performance $66.50 SKU NWD-2029064248 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 2029064248 Prevents over boosts codes and defueling of the engine dure to higher boosts pressures.