Fleece Performance Duramax PowerFlo 750 CP3 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 support 750 RWHP,...

Fleece Performance Return Fuel Pressure Test Port for 2011-2016 LML Duramax The return fuel pressure test port for the 2011-2016 LML Duramax is designed to aid the technician in troubleshooting return fuel pressure, often necessary when diagnosing CP4...

Fleece Performance SureFlo Performance Sending Unit For 04.5-10 Silverado/Sierra 2500/3500 Duramax Problem: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to install a draw straw or drill your fuel tank to...

Fleece Performance SureFlo Performance Sending Unit For 11-16 Silverado/Sierra 2500/3500 Duramax, Short Bed Problem: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to install a draw straw or drill your...

Fleece Performance SureFlo Performance Sending Unit For 11-16 GM Duramax Long Bed Problem: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to install a draw straw or drill your fuel tank to accommodate a...

Fleece Performance PowerFlo Lift Pump for 01-04 Sierra 2500/3500 Duramax The LB7 PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. Direct OEM In-Tank Replacement: The PowerFlo Lift Pump...

Fleece Performance 2007.5-2010 GM Powerflo In-Tank Lift Pump 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...

Fleece Performance L5P Fuel Filter Upgrade Kit 17-19 Silverado/Sierra 2500/3500 The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister...

Fleece Performance L5P Fuel Filter Upgrade Kit 20 Silverado/Sierra 2500/3500The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister...

Fleece Performance Dosing Injector Fuel Line Disconnect Tool for 11-16 Duramax Make installation and removal of the dosing injector fuel line on 2011-2016 LML Duramax engines a breeze with our fuel line disconnect tool. Fits: 2011-2016 Duramax

Fleece Performance 32V Duramax Rocker Bridges Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strength improvement over factory bridges. Machined from billet 8620 steel, the bridges are surface...

Fleece Performance 6.6L Duramax Stage 2 Pushrods, 0.875 inch dia Upgraded 7/16 inch 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...