03-07 Performance Head Fire Ringed Upgraded Springs 3954670 24v Cummins Diesel

03-07 Cummins cylinder head. This head was done up for  a customer who backed out after the work was completed. Here is the list of the work done to it Magnafluxed Pressure checked Jet washed Valves polished 3 angle valve job and refaced valves 4.550 od fire ring grooves Hamilton 103lb upgraded valve springs New valve stem seals This head has been coated in cosmoline to avoid any rust and has been plastic wrapped and bagged to avoid any contamination.   It is ready to bolt on and go for a performance application.   The block does not need to be machined to run this head.   I have ran this exact same style firering setup up to 1400hp range and also had them hold up to over 100k miles.   These are hamilton 103lb valve springs.   I have firering gaskets and rings in stock I could include in the sale for an extra 200 dollars. Freight shipping is only available to a business with a loading dock/forklift and semi truck access.   Please send a zipcode before purchasing to adjust the freight quote.

• Brand: Cummins