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4L Powerstroke Cold-Side Intercooler Pipe and Boot Kit
perfect for your daily driver or rallycross Evo
Pre-Drilled For Pyrometer Probes & Pressure Gauges
Furnace brazed turbine fins for improved fluid coupling efficiency
GM Washer Fluid Level Sensor
PPE Diesel 110100103 2004.5-2010 GM 6.6L Duramax Cast Iron Cylinder Head (One) LLY/LBZ/LMM Smashed Performance 4L Powerstroke Cold-Side Intercooler Pipe50 States Emissions Legal (E. O. D 701 38). The OEM Duramax cast aluminum cylinder heads fall short over time the different heat expansion rates between cast iron engine block and cast aluminum cylinder head cause head gasket scrubbing, and eventually blown head gaskets. The aluminum cylinder heads are also prone to warping, melting, and or cracking in high performance applications where excessive heat is introduced. PPE's new Cast Iron Cylinder Head