11-14 Duramax LML HSP Upper Coolant Tube Suspension Fastest display start up in

Fastest display start up in the industry

Dynamically adjusts hydraulic apply pressures based on turbo boost/engine load

80 HP & 250 lb-ft

pressure boxes have had a reputation for being hard on fuel systems

We take pride in knowing that the fit and finish of every pipe will be at OEM quality or better

11-14 Duramax LML HSP Upper Coolant Tube Suspension Fastest display start up in** 2 3 Week Build Time Normally** HERE AT HSP, WE BELIEVE IN GOING FAST AND MAKING BIG POWER. WE ALSO BELIEVE YOU SHOULD LOOK GOOD DOING IT! THE LML UPPER COOLANT TUBE IS A PERFECT PART TO ADD A CUSTOM LOOK TO YOUR TRUCK. THIS SMALL BUT SOMETIMES OVERLOOKED COMPONENT WILL KEEP YOUR TRUCKS ENGINE BAY LOOKING SHARP.