01-05 Duramax LB7 LLY HSP T-Stat Housing with Return LineNormal build time 2 3 weeks You should be running the forward facing thremostat housing kit, with coolant return if you have a stock turbo charger in the valley. This coolant return has a pervision to allow coolant to return from the turbo charger Many of the Chevy Duramax coolant lines are routed in a way that makes it difficult to upgrade turbochargers, or other performance accessories. The HSP Diesel team has developed a solution for many of those

▪ Easy bolt-on performance

stressing these parts eventually leading to failure

➢  Increased Fuel Economy: 10-25% increases in mpg

Kit includes separator plate

No race abuse

Drain to Block Gasket

the BD module will override the transmission controller shift strategy so any aftermarket trans tuning will not be active with the Tap Shifter enabled

Our systems are so much more efficient

designed with the average driver in mind

Significantly stronger than factory

This intercooler tube kit is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicle

Post Turbo EGT ('10-'12 Cummins 6