Fleece Performance Return Fuel Pressure Test Port 11-16 GM 6.6L Duramax LML BAN-66711 and tubular steel upper &

and tubular steel upper & lower links

and other vital components

Incorporate this with one of our Quiet Tone exhaust systems for maximum exhaust flow and performance

change axle gear ratio

Driving manners are very good for everyday driving and towing

Fleece Performance Return Fuel Pressure Test Port 11-16 GM 6.6L Duramax LML BAN-66711 and tubular steel upper &Whether you are a certified technician or an expert backyard mechanic, having the right tool for the job is imperative. This Return Fuel Pressure Test Port from Fleece will allow you to troubleshoot return fuel pressure that is necessary when diagnosing LML CP4 pump failures. When installed in the return fuel system, it allows for a pressure gauge to be connected to the return fuel side to monitor pressure.