PPE Upgraded Cast Iron Cylinder Heads For 11-16 Chevrolet/GMC 6.6L LML Duramax mufflers Max Tire Size: 37x12

Max Tire Size: 37x12

45 degree turbo oil inlet fitting

Incorporates Delta Flow Technology

The 67-6000 Heavy-Duty Series REAR TRACK BAR BRACKET is an important component for lifted JT Gladiator vehicles after lifting

Lexus IS250C A/T Convertible 2012-2013

PPE Upgraded Cast Iron Cylinder Heads For 11-16 Chevrolet/GMC 6.6L LML Duramax mufflers Max Tire Size: 37x12The 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. PPEs new Cast Iron Cylinder Head is the ultimate upgrade to your Duramax engine