KDD 6.0 Powerstroke O-Ring Cylinder Heads, Pair Wagler rods **Made is the U

**Made is the U

Kit includes (8) New 6

KDD chromoly pushrods in the updated length

No core charge or return shipping as cylinder heads are 100% new

Proper tuning & injector matching will reduce but not remove turbo lag

KDD 6.0 Powerstroke O-Ring Cylinder Heads, Pair Wagler rods **Made is the UOur popular O ring heads start off with a 100% brand new heavy duty casting made just for us, to our exacting specifications. We have improved several key design flaws with the factory cylinder heads KDD castings incorporate a higher nickel content and thicker deck surface, for a more rigid casting, and hardened alloy valve seat inserts (to prevent cracking of the valve seats like the factory heads are notorious for). Our 6. 0 heads have more material