{"product_id":"kdd-6-4-powerstroke-top-end-bundle-o-ringed-heads-arp-head-studs-gasket-set","title":"KDD 6.4 Powerstroke Top End Bundle - O-Ringed Heads, ARP Head Studs \u0026 Gasket Set","description":"\u003cp\u003e\u003cstrong\u003eIn stock, ships in 1-2 business days.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1 style=\"text-align: center;\"\u003eKDD 6.4 Powerstroke Top End Bundle\u003c\/h1\u003e\n\u003cp\u003eThe 6.4 makes big power from the factory and leans hard on its head gaskets doing it, so we built a top end package that takes that worry off the table. One order, every piece matched, built to stay together.\u003c\/p\u003e\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eKDD O-ringed cylinder heads (pair): cast iron or ICON 165 aluminum\u003c\/li\u003e\n\u003cli\u003eARP 250-4203 head studs\u003c\/li\u003e\n\u003cli\u003eKDD complete top end gasket set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy .010\" thicker head gaskets?\u003c\/h2\u003e\n\u003cp\u003eEvery KDD top end gasket set comes with MLS head gaskets .010\" thicker than stock, on purpose. The extra thickness improves sealing, makes up for heads and decks that have been resurfaced, and adds piston-to-valve clearance on an engine that runs it tight.\u003c\/p\u003e\n\u003ch2\u003eChoose your heads\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCast Iron:\u003c\/strong\u003e KDD O-ring heads, our proven foundation for street and towing builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eICON 165:\u003c\/strong\u003e USA made aluminum O-ring heads with better airflow and swirl than any factory-style head\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo core charge or return shipping, as cylinder heads are 100% new.\u003c\/p\u003e\n\u003cp\u003ePlease call or email with any questions, 252-725-1222 or sales@killdevildiesel.com\u003c\/p\u003e","brand":"Kill Devil Diesel","offers":[{"title":"Cast Iron","offer_id":67896762073262,"sku":"64P-KT-TE-CI-2K","price":3639.0,"currency_code":"USD","in_stock":true},{"title":"ICON 165","offer_id":67896762106030,"sku":"64P-KT-TE-I165-2K","price":4139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0144\/9004\/2468\/files\/6.4cylinderheads.png?v=1731708024","url":"https:\/\/killdevildiesel.com\/products\/kdd-6-4-powerstroke-top-end-bundle-o-ringed-heads-arp-head-studs-gasket-set","provider":"KillDevilDiesel","version":"1.0","type":"link"}