PPE Upgraded Cast Iron Ported Cylinder Head For 01-04 GMC Chevrolet 6.6L Duramax 1989-1993 5.9l 12v cummins Tooth Quantity: 106
Baker’s notes & crumb story
Description
Tooth Quantity: 106
Combining GTR’s top-tier 9005/HB3 Ultra 3
Level 3: 65 Horsepower - 150 Foot Pounds of Torque
Precision balanced CNC machined high-grade steel components
PPE Upgraded Cast Iron Ported Cylinder Head For 01-04 GMC Chevrolet 6.6L Duramax 1989-1993 5.9l 12v cummins Tooth Quantity: 106The 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