01-04 GM 6.6L Duramax Ported Cast Iron Cylinder Head (One) LB7 Pacific Performance Engineering " Chev/GMC This kit raises the front

This kit raises the front of your vehicle to match the rear

a driveshaft alignment kit may be required

Quicker turbo spool-up

the Gator Fasteners HD220 Head Stud Kit (HSK69) delivers unmatched reliability for Ford's 6

01-04 GM 6.6L Duramax Ported Cast Iron Cylinder Head (One) LB7 Pacific Performance Engineering " Chev/GMC This kit raises the frontThe 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. PPE's new ported LB7 Cast Iron Cylinder Head is the ultimate upgrade for