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Collection:

2001-2004 GM 2500/3500 Fuel System

162 products
Regular price $74.00
Sale price $74.00
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Fleece Performance 12in High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts)
Regular price $36.00
Sale price $36.00
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Anodized billet aluminum Y-fitting with barbed ends for pushlock hose. 
Regular price $69.00
Sale price $69.00
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High Pressure Fuel Line (8mm x 3.5mm Line, M14x1.5 Nuts) Fabricators and Engine Builders, here are the fuel lines you've been looking for at an affordable price. Don't mess with bending factory lin...
Regular price $2,844.00
Sale price $2,844.00
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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 $1,848.00
Sale price $1,848.00
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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 $54.00
Sale price $54.00
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Fleece 01-10 GM 2500-3500 Fuel Primer Bulb Sealing Kit