2015-2015 Duramax LML HSP Upper Coolant Tube (537-2-HSP)2015 2015 Duramax LML HSP Factory Replacement Coolant Tank (527 2 HSP) The HSP Upper Coolant Tube is a premium upgrade for the 2015 2016 LML Duramax equipped Chevrolet and GMC trucks. This often overlooked component is both functional and aesthetic a simple replacement that adds durability and style to your engine bay. Why Upgrade to the HSP Upper Coolant Tube? The factory rubber upper coolant hose is prone to cracking, leaking, and early failure

3L KC300x G3 Stage 2 Turbocharger (302524)

Upgrade your valvetrain with our 1

7L P1 4" Race Pipe w/ Muffler (CDS9442)

No matter your lifter need or choice Melling lifters are compatible with virtually any engine and valve train

the Attitude CTS2 sets the standard for power

lower exhaust gas temperatures (EGTs) and accelerate turbo spool-up while increasing power

including cam

Fish Tuning manufactures DSP2 switches

Operation of diesel engines is noticeably improved when corrosion and growth of bacteria are prevented

digressive valving & instantaneous response

9L Nozzle Set: Stage 1

Covered by a limited lifetime warranty