6.6L LML (2011-2016) Duramax

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 150% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

Do you want to edge out that Mustang at the track or put another 5' on the next truck? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 100% over fuel injectors!   The...

Are you seeing intermittent rail pressure fluctuations that are causing running issues? The rail pressure sensor may be the root cause.   The fuel pressure sensor is a crucial part of the high pressure fuel system. It effectively measures fuel pressure allowing for proper...

Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 60% over fuel injectors!   The nozzles are enlarged using abrasive flow honing technology and are hydraulically flow matched to less than 1%. Each nozzle...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 45% over fuel injectors!   The nozzles are enlarged using abrasive flow honing technology and are...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 300% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 30% over fuel injectors!   At 30% over stock, these are an excellent upgrade for close...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 200% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 20% over fuel injectors!   At 20% over stock, these are an excellent upgrade for close...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 150% over fuel injectors!    The nozzles are enlarged using inhouse micro EDM (Electrical Discharge Machining) and...

Do you want to edge out that Mustang at the track or put another 5' on the next truck? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 100% over fuel injectors!   The...

Are you loosing rail pressure from a worn out CP4.2 pump? Are you in need of a factory replacement pump? From stock up to 550+HP our Improved Stock LML CP4.2 pumps are the best and most affordable solution for an upgraded pump that won't...

Part # GRD661027 Key Features: Compatible with: Duramax, Engine & Engine Parts

Complete turbo oil drain and supply kit to plumb up an s300 or s400 turbo. This kit will work on any 2001-2016 Duramax, includes -10 braided stainless oil drain line with billet oil drain to rear engine cover adapter, turbo drain adapter, -6 braided...

The 046-1-HSP or 2001-2016 Chevrolet and GMC Billet Valve Covers Crank Case Ventilation Kit is something that we recommend for all of our Billet Valve cover kits. What is the Billet Valve Covers Crank Case Ventilation Kit? The Billet Valve Covers Crank Case Ventilation...

HSP Diesel Coated Billet Manifolds Why Would You Need the HSP Diesel Coated Billet Manifolds? The factory manifolds are restrictive from the get-go. HSP Diesel noticed quickly that these needed to be addressed if you wanted to make more power. The factory manifolds are...