15085 32 Mile RdRomeoMI 48065, United States


Our Store

Looking to upgrade your Duramax or Cummins? Visit our Website for the highest quality & best performing parts and kits available! 

HSP Exclusive


HSP offers a full line of our own products from Single and Twin Turbo Kits, Downpipes, Intercooler Tubing, Max Flow Bridges and much more! 


HSP Diesel



Click here to check out some cool projects going on in our shop along with cool projects from our customers!

Click here to learn more about what HSP Diesel does and can do for you!

Install & Maintenance

HSP Diesel not only focuses on performance for Duramax and Cummins Diesel vehicles, however also general maintenance. With our new 12,000 sq. ft facility, we now welcome in general maintenance on Duramax and Cummins such as Head Gasket replacements, Injector work/upgrades, or Full Installation of all HSP Components!

- Injector replacements/upgrades
- Head Gasket replacements
- CP3
- Exhaust Repair
- Custom Tuning
- Welding/Fabrication
- Engine Work
- Driveline/Chassis Upgrades

- Single Turbo Kits
- Twin Turbo Kits
- Custom Triple Turbo Kits
- Custom Fabrication
- Roll Cages
- Down Pipes / Exhaust
- Hotside/Cold Side Intercooler Tubing
- Custom Intercoolers