Collection:

2011-2016 GM 2500/3500 Engine Parts

93 products
Regular price $39.99
Sale price $39.99
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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 $1,099.00
Sale price $1,099.00
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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 $1,099.00
Sale price $1,099.00
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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 $490.19
Sale price $490.19
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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 $512.54
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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...
Regular price $55.00
Sale price $55.00
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Upgrade your rear engine cover and stop the coolant leaks for good! Our blocking plate is thicker than the stock plate and has an integral square cut O-ring with no gasket required. OE covers are p...