{"product_id":"kdd-delta-series-cnc-ported-6-7l-power-stroke-cylinder-heads","title":"KDD Delta Series CNC-Ported 6.7L Power Stroke Cylinder Heads","description":"\u003ch1 data-start=\"3208\" data-end=\"3272\"\u003e\u003cstrong data-start=\"3210\" data-end=\"3270\"\u003eDelta Series CNC-Ported 6.7L Power Stroke Cylinder Heads\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3 data-end=\"3296\" data-start=\"3273\"\u003e\u003cem data-end=\"3296\" data-start=\"3277\"\u003eLevel 2 \u0026amp; Level 3\u003c\/em\u003e\u003c\/h3\u003e\n\u003cp data-end=\"3367\" data-start=\"3298\"\u003e\u003cstrong data-end=\"3367\" data-start=\"3298\"\u003eBreak the Airflow Barrier. Unlock What Was Never Possible Before.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3754\" data-start=\"3369\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"3451\" data-start=\"3373\"\u003eKill Devil Diesel Delta Series CNC-Ported 6.7L Power Stroke Cylinder Heads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erepresent a major leap forward in airflow, efficiency, and high-RPM performance. Designed to overcome the inherent limitations of the factory 6.7L cylinder head, the Delta Series delivers\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"3691\" data-start=\"3640\"\u003epreviously unattainable intake and exhaust flow\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhile retaining full street reliability and OEM compatibility.\u003c\/p\u003e\n\u003cp data-end=\"3936\" data-start=\"3756\"\u003eEvery Delta Series head starts as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"3822\" data-start=\"3792\"\u003ebrand-new OEM Ford casting\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand is machined in-house using advanced CAD-designed port profiles and\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"3935\" data-start=\"3894\"\u003estate-of-the-art 5-axis CNC equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-end=\"5723\" data-start=\"5720\"\u003e\n\u003ch2 data-end=\"5755\" data-start=\"5725\"\u003eDelta Series Configurations\u003c\/h2\u003e\n\u003ch3 data-end=\"5794\" data-start=\"5757\"\u003e\u003cstrong data-end=\"5794\" data-start=\"5761\"\u003eDelta Series Level 2 - Mild CNC Port (Factory Plenum)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"5999\" data-start=\"5795\"\u003e\n\u003cli data-end=\"5828\" data-start=\"5795\"\u003e\n\u003cp data-end=\"5828\" data-start=\"5797\"\u003eRetains factory intake plenum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5881\" data-start=\"5829\"\u003e\n\u003cp data-end=\"5881\" data-start=\"5831\"\u003eCNC bowl cleanup and accessible intake port work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5910\" data-start=\"5882\"\u003e\n\u003cp data-end=\"5910\" data-start=\"5884\"\u003eCNC-ported exhaust ports\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5938\" data-start=\"5911\"\u003e\n\u003cp data-end=\"5938\" data-start=\"5913\"\u003eFactory valves retained\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5980\" data-start=\"5939\"\u003e\n\u003cp data-end=\"5980\" data-start=\"5941\"\u003eHeavy-duty\/performance valve springs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5999\" data-start=\"5981\"\u003e\n\u003cp data-end=\"5999\" data-start=\"5983\"\u003eO-ringed deck surface for superior head gasket sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"6091\" data-start=\"6001\"\u003e\u003cstrong data-end=\"6015\" data-start=\"6001\"\u003eIdeal for:\u003c\/strong\u003e\u003cbr data-end=\"6018\" data-start=\"6015\"\u003eVGT turbo upgrades, mild S300 setups, mild compound setups, and high-performance daily drivers.\u003c\/p\u003e\n\u003chr data-end=\"6096\" data-start=\"6093\"\u003e\n\u003ch3 data-end=\"6156\" data-start=\"6098\"\u003e\u003cstrong data-end=\"6156\" data-start=\"6102\"\u003eDelta Series Level 3 Full CNC Port (Billet Plenum)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"6507\" data-start=\"6157\"\u003e\n\u003cli data-end=\"6208\" data-start=\"6157\"\u003e\n\u003cp data-end=\"6208\" data-start=\"6159\"\u003eComplete CNC intake porting with plenum removed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"6263\" data-start=\"6209\"\u003e\n\u003cp data-end=\"6263\" data-start=\"6211\"\u003eAccess to previously unreachable intake port areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"6302\" data-start=\"6264\"\u003e\n\u003cp data-end=\"6302\" data-start=\"6266\"\u003eFully CNC-ported high-flow intake exhaust ports\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"6349\" data-start=\"6303\"\u003e\n\u003cp data-end=\"6349\" data-start=\"6305\"\u003e\u003cstrong data-end=\"6347\" data-start=\"6305\"\u003eBillet aluminum intake plenum included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"6399\" data-start=\"6350\"\u003e\n\u003cp data-end=\"6399\" data-start=\"6352\"\u003e\u003cstrong data-end=\"6397\" data-start=\"6352\"\u003eOversized stainless steel nitrided valves\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"6446\" data-start=\"6400\"\u003e\n\u003cp data-end=\"6446\" data-start=\"6402\"\u003eKDD proprietary valve angles and valve seat profile\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"6488\" data-start=\"6447\"\u003e\n\u003cp data-end=\"6488\" data-start=\"6449\"\u003eCompetition level valve springs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"6507\" data-start=\"6489\"\u003e\n\u003cp data-end=\"6507\" data-start=\"6491\"\u003eO-ringed deck surface (fire ring available upon request)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"6507\" data-start=\"6489\"\u003eAsk about CNC Port matched exhaust manifolds!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"6610\" data-start=\"6509\"\u003e\u003cstrong data-end=\"6523\" data-start=\"6509\"\u003eIdeal for:\u003c\/strong\u003e\u003cbr data-end=\"6526\" data-start=\"6523\"\u003eLarge single turbos, compound turbo systems, nitrous, drag racing, and sled pulling.\u003c\/p\u003e\n\u003ch2 data-start=\"5184\" data-end=\"5224\"\u003eMassive Airflow Gains Where It Counts\u003c\/h2\u003e\n\u003ch3 data-start=\"5226\" data-end=\"5241\"\u003eIntake Flow\u003c\/h3\u003e\n\u003cul data-start=\"5242\" data-end=\"5396\"\u003e\n\u003cli data-start=\"5242\" data-end=\"5272\"\u003e\n\u003cp data-start=\"5244\" data-end=\"5272\"\u003e\u003cstrong data-start=\"5244\" data-end=\"5261\"\u003eStock intake:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e~180 CFM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5273\" data-end=\"5314\"\u003e\n\u003cp data-start=\"5275\" data-end=\"5314\"\u003e\u003cstrong data-start=\"5275\" data-end=\"5303\"\u003eDelta Series Level 3 CNC intake:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e~250 CFM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5315\" data-end=\"5347\"\u003e\n\u003cp data-start=\"5317\" data-end=\"5347\"\u003e\u003cstrong data-start=\"5317\" data-end=\"5345\"\u003e~38% increase in airflow\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5348\" data-end=\"5396\"\u003e\n\u003cp data-start=\"5350\" data-end=\"5396\"\u003eContinues flowing beyond\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"5375\" data-end=\"5396\"\u003e0.700\" valve lift\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"5398\" data-end=\"5414\"\u003eExhaust Flow\u003c\/h3\u003e\n\u003cul data-start=\"5415\" data-end=\"5552\"\u003e\n\u003cli data-start=\"5415\" data-end=\"5446\"\u003e\n\u003cp data-start=\"5417\" data-end=\"5446\"\u003e\u003cstrong data-start=\"5417\" data-end=\"5435\"\u003eStock exhaust:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e~160 CFM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5447\" data-end=\"5485\"\u003e\n\u003cp data-start=\"5449\" data-end=\"5485\"\u003e\u003cstrong data-start=\"5449\" data-end=\"5474\"\u003eDelta Series Level 3 CNC exhaust:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e~250 CFM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5486\" data-end=\"5552\"\u003e\n\u003cp data-start=\"5488\" data-end=\"5552\"\u003eUp to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"5494\" data-end=\"5542\"\u003e40% increase in exhaust cross-sectional area\u003c\/strong\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5554\" data-end=\"5718\"\u003eThese gains dramatically reduce exhaust backpressure and improve cylinder evacuation—critical for large single turbos, compound setups, and especially nitrous builds.\u003c\/p\u003e\n\u003chr data-end=\"6845\" data-start=\"6842\"\u003e\n\u003ch3 data-end=\"6870\" data-start=\"6847\"\u003e\n\u003cstrong data-end=\"6870\" data-start=\"6851\"\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch2 data-end=\"3990\" data-start=\"3943\"\u003eEngineered in CAD. Proven in the Real World.\u003c\/h2\u003e\n\u003cp data-end=\"4264\" data-start=\"3992\"\u003eThe Delta Series was developed entirely in\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"4066\" data-start=\"4035\"\u003ecomputer-aided design (CAD)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eusing OEM Ford data, including complete water jacket geometry. This allows Kill Devil Diesel to design aggressive, high-flow port shapes while maintaining safe wall thickness in all critical areas.\u003c\/p\u003e\n\u003cp data-end=\"4446\" data-start=\"4266\"\u003eAll designs are validated with\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"4314\" data-start=\"4297\"\u003esonic testing\u003c\/strong\u003e, ensuring durability and long-term reliability—even in extreme performance applications. Water jackets remain completely untouched.  \u003c\/p\u003e\n\u003cp data-end=\"4446\" data-start=\"4266\"\u003eIn addition to the high tech CAD work, KDD also worked in conjunction with airflow expert Darrin Morgan, utilizing his decades of head porting experience for unmatched performance. \u003c\/p\u003e\n\u003chr data-end=\"4451\" data-start=\"4448\"\u003e\n\u003ch2 data-end=\"4498\" data-start=\"4453\"\u003eSolving the Factory Intake Port Limitation\u003c\/h2\u003e\n\u003cp data-end=\"4705\" data-start=\"4500\"\u003eThe factory 6.7L Power Stroke intake port contains\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"4579\" data-start=\"4551\"\u003eblind, unreachable areas\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat cannot be fully ported due to the built-in intake plenum. These restrictions limit airflow and cap performance potential.\u003c\/p\u003e\n\u003cp data-end=\"4886\" data-start=\"4707\"\u003eFor the\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"4745\" data-start=\"4715\"\u003eDelta Series Level 3 heads\u003c\/strong\u003e, Kill Devil Diesel removes the factory intake plenum entirely, allowing full access to the entire intake port for a true, complete CNC port.\u003c\/p\u003e\n\u003cp data-end=\"5051\" data-start=\"4888\"\u003eKDD designed a\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"4942\" data-start=\"4890\"\u003eprecision-machined billet aluminum intake plenum\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto install in place of the factory \"built in\/cast\" plenum.  KDD starts out with a 20lb billet block of aluminum which is precision machined into a 2lb bolt on plenum, restoring full OEM fitment while enabling airflow levels that were previously impossible.\u003c\/p\u003e\n\u003cp data-end=\"5177\" data-start=\"5053\"\u003e✔ Accepts factory intake manifold\u003cbr data-end=\"5089\" data-start=\"5086\"\u003e✔ Accepts factory valve covers\u003cbr data-end=\"5122\" data-start=\"5119\"\u003e✔ Uses factory hardware\u003cbr data-end=\"5148\" data-start=\"5145\"\u003e✔ Factory-like installation\u003c\/p\u003e\n\u003cp data-end=\"5177\" data-start=\"5053\"\u003eKDD's Delta Series Heads are offered with a billet intake plenum that accepts all factory intake\/valve cover and hardware...KDD also offers billet intake manifold flanges for customers who wish to build their own intake manifold, or ask about KDD's billet side draft intake manifold and billet valve cover options for competition applications.  \u003c\/p\u003e\n\u003chr data-end=\"5182\" data-start=\"5179\"\u003e\n\u003cp data-end=\"5718\" data-start=\"5554\"\u003e \u003c\/p\u003e\n\u003ch3 data-end=\"6870\" data-start=\"6847\"\u003e\n\u003cstrong data-end=\"6870\" data-start=\"6851\"\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3 data-end=\"6870\" data-start=\"6847\"\u003e\u003cstrong data-end=\"6870\" data-start=\"6851\"\u003eThe Bottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"7159\" data-start=\"6872\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"6936\" data-start=\"6876\"\u003eDelta Series CNC-Ported 6.7L Power Stroke Cylinder Heads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eeliminate factory airflow limitations and set a new standard for the platform. Whether you choose Level 2 or Level 3, you’re getting industry-leading design, unmatched flow, and the reliability required for real-world use.\u003c\/p\u003e\n\u003cp data-end=\"7257\" data-start=\"7161\"\u003eIf you’re ready to unlock the full potential of your 6.7L Power Stroke, this is where it starts.\u003c\/p\u003e","brand":"Kill Devil Diesel","offers":[{"title":"2011-2019","offer_id":47469081231604,"sku":null,"price":7900.0,"currency_code":"USD","in_stock":true},{"title":"2020+","offer_id":47469081264372,"sku":null,"price":7900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/9359\/4356\/files\/11A09C11-1A07-47A3-8A8B-E9CB22984085_1_105_c_735x871_1bd30661-c253-4bdf-a963-df82142f4f5f.webp?v=1768862366","url":"https:\/\/georgiadieselgaragellc.myshopify.com\/products\/kdd-delta-series-cnc-ported-6-7l-power-stroke-cylinder-heads","provider":"Georgia Diesel Garage LLC","version":"1.0","type":"link"}