PPE Upgraded Cast Iron Ported Cylinder Head For 01-04 GMC Chevrolet 6.6L Duramax 2003-2006 mitsubishi lancer evolution ix 2006-2009 GMC C5500 Topkick

2006-2009 GMC C5500 Topkick

Pressure switch controlled air manifold system regulates pressure between 9

incorporating a flashing amber effect

or Osram HX Boost

GFB expands the DV+ range with a direct-fit performance diverter solution for GM vehicles with the 2

PPE Upgraded Cast Iron Ported Cylinder Head For 01-04 GMC Chevrolet 6.6L Duramax 2003-2006 mitsubishi lancer evolution ix 2006-2009 GMC C5500 TopkickThe OEM Duramax cast aluminum cylinder heads fall short over time the differing heat expansion rates between the 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. PPEs new ported LB7 Cast Iron Cylinder Head is the ultimate upgrade for