BDS Suspension 4.5" Lift Kit 11-19 GM 6.6L Duramax WT-450123 leaving it enabled all the

leaving it enabled all the time will result in running the engine fan excessively

The total package is an economic upgrade for worn out steering and will increase the durability

Cross Reference Part Number: F7TZ12B599AC

How a better spring will raise your fuel pressure

BDS Suspension 4.5" Lift Kit 11-19 GM 6.6L Duramax WT-450123 leaving it enabled all theLike many of BDS's other IFS suspension systems for the GM trucks, this 4. 5" system is packed with the same features and benefits of the current 6. 5" kit but designed for a lower lift height for those looking for a more modest setup. Like the 6. 5" system, the 4. 5" includes one piece crossmembers, differential drop brackets, ductile cast iron steering knuckles and bolt on no torsion bar drop brackets that keep the torsion bars in the factory