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2004.5-2005 GM 2500/3500 Engine Parts

121 products
Regular price $971.00
Sale price $971.00
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The XDP Performance Valve Springs and Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Camshaft upgrades and other modifications that increase boost require mor...
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Regular price $128.00
Sale price $128.00
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Replace the exhaust manifold in your 2001-2016 GM 6.6L Duramax with the XDP Driver Side High-Flow Exhaust Manifold XD342. The XD342 has an unrestricted high-flow design that eliminates the dented o...
Regular price $94.00
Sale price $94.00
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Put the XDP Billet Coolant Block-Off Plate XD344 in your 2011-2017 GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your LML and L5P engine. The factory cover uses a ...
Regular price $661.00
Sale price $661.00
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The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Duramax. The OE rocker arm bridges in your valvetrain were designed f...
Regular price $503.00
Sale price $503.00
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The XDP Pushrods 3/8 inch Street Performance XD315 eliminate the weak link in the valvetrain of your 2001-2016 GM 6.6L Duramax. The factory pushrods in your Duramax engine can hardly handle stock o...
Regular price $24.00
Sale price $24.00
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Fleece Performance Universal 1/8in NPT Hex Socket Plug - Black