PPE Diesel 110100103 Cast Iron Cylinder Head For 2004.5-2010 GM 6.6L Duramax50 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

enabling complete control of a vehicle's power needs and accessories

Fully integrated into the positive power cable

You MUST have existing gas door to install this piece) - QAA GC48070

What is in the Box: Your package will include QAA's 8 piece Stainless Steel Pillar Post Trim - QAA PP10005

0 - 300 Degree Fahrenheit

Each pipe also has an O2 bung welded on for the factory oxygen sensor

Manufactured Using Hot Forged Steel

Operates on 12 VDC or 24 VDC

Steel Plat

1500 inches

JK 6 Switch Panel with dual lit LED Amber switches W/Air Gauge for 2009-2018 Wrangler JK

Designed by our top engineers and design team