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Collection:

2001-2004 GM 2500/3500

302 products
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Regular price $54.00
Sale price $54.00
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The Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non-water cooled turbocharger on your Duramax. It provides clearan...
Regular price $2,839.00
Sale price $2,839.00
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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 $1,845.00
Sale price $1,845.00
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The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and...
Regular price $255.00
Sale price $255.00
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Fleece Performance 01-15 GM Duramax 6.6L AlliLocker - Allison Torque Converter Controller.
Regular price $69.00
Sale price $69.00
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2001-2010 Duramax Lower Turbo Drain Tube with Integrated O-Ring Seal (LB7, LLY, LBZ, LMM)
Regular price $171.00
Sale price $171.00
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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...