Collection:

2011-2016 GM 2500/3500 Engine Parts

88 products
Regular price $29.00
Sale price $29.00
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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...
Regular price $57.00
Sale price $57.00
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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...
Regular price $1,560.00
Sale price $1,560.00
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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...
Regular price $1,560.00
Sale price $1,560.00
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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...
Regular price $696.00
Sale price $696.00
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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...
Regular price $728.00
Sale price $728.00
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Fleece Performance billet rocker arm bridges for the GM 6.6L Duramax.   FEATURES These bridges offer a massive 2.5-time strength improvement over factory bridges. Machined from billet 8620 steel, t...