Butler Built Customers D-Port Cast Iron Cylinder Heads, Stock (Pair)

Stock Cast Iron D-Port Head Package

• Ship to us


• Clean and Mag to make sure they are not cracked


• Milling optional / additional charge (let us know your desired compression ratio) 


• Stock Port Size


• Competition 3 angle valve job done with our Serdi machine


• FULL bronze guides (not liners)


• Ferrea Stainless Steel valves


• Surfaced on all 3 sides


• Retainers & HD valve locks


• Tall dual springs


• New 5/16 guide plates


• 7/16 rocker arm studs


• HP valve seals


• Blue printed and assembled per application


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  Comes with Blueprint and spec sheets.

  
  


• We recommend shipping to us in small wooden crates or heavy packaging since the heads are heavy and to keep from damaging. 


• Can also be dropped off or shipped on small pallet


• We can help arrange inbound shipping if needed at additional charge


• If possible send only bare disassembled heads


• Image for display purposes only