Our Fleece Performance pre-filters are specially designed to extend the service interval of your air filter when used in heavy dust conditions. Made from a durable polyester material it will stop s...
2011+ Duramax LML Rear Engine Cover Coolant Return Plug. The plug is made from high quality 6061 aluminum, anodized black, and laser etched with the Fleece Performance "F".
It comes complete with a...
Want to get rid of that big ugly resonator under the hood of your LML? This billet aluminum plate, anodized in black with our "Fleece" logo engraved on the top will take its place and give your tru...
Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory...
Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory...
Upgraded 7/16” diameter pushrods for GM’s Duramax 6.6L diesel engines. Produced from 4130 chrome molybdenum steel and heat treated to Rockwell Rc60 for outstanding strength and rigidity. These push...
