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Collection:

2011-2016 GM 2500/3500

282 products
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Regular price $70.00
Sale price $70.00
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Dress up your engine bay with our billet aluminum oil cap for the 2001-2016 Duramax!  Includes o-ring and cam-lock and is a direct replacement for your OEM cover. 
Regular price $2,946.00
Sale price $2,946.00
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The Fleece Performance Duramax 10mm stroker CP3 is a straight forward, no inflated numbers, CP3 upgrade proven to support 750 RWHP with the proper complimenting modifications. Not only will it supp...
Regular price $258.00
Sale price $258.00
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Fleece Performance 01-15 GM Duramax 6.6L AlliLocker - Allison Torque Converter Controller.
Regular price $173.00
Sale price $173.00
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This black 1.5in T4 Pedestal Spacer is designed for use with T4 Turbos installed on Duramax engines when an extra inch of elevation out of the valley is required, although it could be used in any T...
Regular price $143.00
Sale price $143.00
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Fleece Performance 01-07 GM Duramax / 11-16 GM 2500/3500 Duramax Oil Cooler Adapter Kit.
Regular price $1,149.00
Sale price $1,149.00
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The PowerFlo* lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance.  The PowerFlo is the only in-tank lift pump capable of supporting up to ...