Fleece High Pressure Injection Line (#3 & #6) For 04-05 LLY 6.6L Duramax Diesel 2014-2018 silverado 1500 The 5" blocks will net

The 5" blocks will net a level/tail HIGH stance

Mandrel-bent tubing maximizes airflow and performance

By simply connecting the Duramax PCM tachometer output lead into the ‘black box’ and then running the wires from the box to the tach itself

1999 Lincoln Navigator 5

Fleece High Pressure Injection Line (#3 & #6) For 04-05 LLY 6.6L Duramax Diesel 2014-2018 silverado 1500 The 5" blocks will netThe LLY Duramax High Pressure Injection Line 1 and 8, from Fleece Performance Engineering, is a high quality solution designed to optimize the fuel delivery system in your LLY Duramax engine. Specifically engineered to fit LLY model Duramax engines, these injection lines ensure a precise and reliable fitment. Crafted with precision and durability in mind, these high pressure lines are built to withstand the rigors of high fuel pressures and deliver