<h1 style="text-align: center;"><span data-mce-style="color: #ff2a00;" mce-data-marked="1">KDD 6.7 Powerstroke O-Ring Cylinder Heads</span></h1> <h2 style="text-align: center;"><span style="color: #ff2a00;" data-mce-style="color: #ff2a00;" mce-data-marked="1">Lead Times Apply</span></h2> <h2>Features:</h2> <main tabindex="-1" role="main" id="MainContent" class="main-content js-focus-hidden" data-mce-fragment="1" data-mce-tabindex="-1"> <div class="shopify-section" id="shopify-section-product-template" data-mce-fragment="1"> <div data-enable-history-state="true" data-section-type="product" data-section-id="product-template" id="ProductSection-product-template" class="product-template__container page-width" data-mce-fragment="1"> <div class="grid product-single product-single--medium-image" data-mce-fragment="1"> <div class="grid__item medium-up--one-half" data-mce-fragment="1"> <div class="product-single__description rte" data-mce-fragment="1"> <p data-mce-fragment="1">- 100% New Casting, Assembled with USA Made Valves and Springs</p> <p data-mce-fragment="1">- Includes premium heavy duty hardened valve seat inserts</p> <p data-mce-fragment="1">- No Core Charge/No Return Shipping</p> <p data-mce-fragment="1">- All finish machine work and assembly performed in house, on state of the art equipment</p> <p data-mce-fragment="1">- Available with optional fire rings or o-rings</p> <p data-mce-fragment="1">- 12 month warranty against defects in materials and workmanship</p> </div> </div> </div> </div> </div> </main> <h2>Description:</h2> <p>Kill Devil Diesel is proud to offer our 100% New 6.7 Powerstroke cylinder heads.  We start off with brand new Genuine Ford cylinder heads.  We then perform all final machine work in house - including o-ring, geometry blueprinting (ensuring the valve recession, valve tip height, valve seat profile, surface finish etc is machined in spec) then assemble by hand right here in our NC facility.  We offer CNC porting, as well as Nitrided Inconel valves and USA made Beehive springs.</p>