PPE Upgraded Cast Iron Ported Cylinder Head For 01-04 GMC Chevrolet 6.6L Duramax 1989-1993 5.9l 12v cummins or the original equipment tail

or the original equipment tail pipes

Free shipping on domestic orders will be included with your PCM Cross Ship

Tooth Quantity:  106

This direct replacement features high-strength aluminum tubing finished in an attractive silver vein powder coat that enhances both form and function

(1) Front BP-51 Coilover (driver side)

PPE Upgraded Cast Iron Ported Cylinder Head For 01-04 GMC Chevrolet 6.6L Duramax 1989-1993 5.9l 12v cummins or the original equipment tailThe 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