100% New cylinder head, machined and assembled in the USA
Heavy Duty hardened valve seats to prevent cracking.
ALL KDD Cummins heads come o-ringed, standard, to prevent head gasket failure. (Optional fire ring available, call for details)
100lb HD valve springs, standard
USA made Stainless Steel, nitrided valves, standard
All finish machine work performed in house, on state of the art CNC Machines, assembled by hand, right here in NC
Screw in freeze plugs under valve cover to prevent water and oil mixing.
No Core Charge/No Return Shipping
12 month warranty against defects in materials and workmanship
Description:
KDD 100% New Cummins Cylinder Head – Built for Power, Precision, and Durability
Crafted from 100% new castings and proudly machined and assembled in-house in North Carolina, our Cummins cylinder heads are engineered to outperform and outlast. Every head features heavy-duty hardened valve seats to resist cracking under extreme conditions, and comes o-ringed as standard to help eliminate head gasket failures. KDD’s hardened steel o-ringed heads install just like factory, with factory style head gasket, and DON’T require any hot retorque, simply follow the fsctory or ARP head torquing proceedure. (optional fire ring setup available, not recommended for street use, fire rings recommended for competition use only, requires hot re-torques and requires alternate head gasket—call for details regarding fire rings).
We include 100lb heavy-duty valve springs and USA-made stainless steel, nitrided valves as standard equipment—no hidden upcharges or compromises. All final machining is performed on state-of-the-art CNC equipment, followed by expert hand assembly to ensure the highest level of precision and reliability - each head is checked for proper valve recession, spring pressure and valve/seat sealing to ensure trouble free installation and years of reliable service.
No core charge, No return shipping to deal with.
Just a purpose-built cylinder head designed to keep your Cummins running stronger, longer - no shortcuts
*This item will ship freight. The freight price covers shipping to a business address that is zoned as a business. Shipping to a residence or to a business zoned in a residential area will cost extra, please call our office for a price.*
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Address frequently asked questions about this product to minimize any concerns or uncertainties that might deter a customer from making a purchase.
Does it come with a warranty?
Yes, most products we sell are backed by the manufacture's warranty. Warranty coverage varies by brand, so check the product listing or contact us if you have any questions before purchasing.
What happens if I don't like it?
If you're not completely satisfied, we're here to help. Eligible unused items may be returned within 30 days of delivery, subject to our return policy and applicable restocking fees.
How fast is shipping?
We process most orders within 1-2 business days. Shipping times vary by product availability and location, but most customers receive their orders within 3-7 business days after they ship.
What's the returns policy?
Returns must be requested within 30 days of purchase, Items must be new, unused, and in their original packaging. Approved returns are subject to a 30% restocking fee. Custom order, electrical, and special order items may not be eligible for return.
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