Shop for great deals on Fleece Performance hardparts such as
coolant bypass kits, dipsticks, air heater delete plugs, and
more! Thoroughbred Diesel is a real shop that works on Cummins,
Powerstroke, and Duramax trucks daily. We install the Fleece
Performance products we sell so feel free to call us toll free
at 866-737-4966 with any questions
or for free advice!