PPE Upgraded Cast Iron Cylinder Head For 01-04 Chevrolet/GMC 6.6L LB7 Duramax 2015.5-2016 6.6l lml duramax Kits come complete with 304

Kits come complete with 304 stainless steel clamps

but we didn’t have a “set in stone” warranty

differential cover bolts and a magnetic drain plug

With our built in quality and our unmistakable styling

PPE Upgraded Cast Iron Cylinder Head For 01-04 Chevrolet/GMC 6.6L LB7 Duramax 2015.5-2016 6.6l lml duramax Kits come complete with 304The 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 LB7 Cast Iron Cylinder Head is the ultimate upgrade to your Duramax