2001-2016 GM Fuel Primer Bulb Sealing Kit 2001-2016 GM 2500/3500 Fleece GMC Part No: DIFSL5P2001 The FASS

Part No: DIFSL5P2001 The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the L5P Duramax

This is a mandatory item to install in your VE Rotary pump prior to a new set of upgraded injectors

Cummins 4BT with P-Pump New Injector Set: Custom built based off customer's intended use

Nozzles can support up to 600 RWHP with proper supporting modifications

2006-2010 GMC Sierra 3500

2001-2016 GM Fuel Primer Bulb Sealing Kit 2001-2016 GM 2500/3500 Fleece GMC Part No: DIFSL5P2001 The FASSIf you're running an aftermarket positive displacement lift pump like our Power Flow on your Duramax our fuel primer bulb sealing kit will allow you to eliminate the leak prone primer bulb from your fuel system. The sealing cap includes a 1 8 inch NPT port to feed a low pressure fuel gauge or cap it off with the included NPT plug. Kit Includes: Fuel Primer Cap 1 8 inch NPT plug Fasteners