{"product_id":"icon-series-aluminum-o-ringed-6-0-cylinder-heads-street-port","title":"ICON Series Aluminum O-Ringed 6.0 Cylinder Heads - Street Port","description":"\u003ch1 data-start=\"352\" data-end=\"426\"\u003e\u003cstrong data-start=\"354\" data-end=\"424\"\u003eKDD ICON Series Street Port Cylinder Heads – 6.0 \u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3 data-start=\"428\" data-end=\"486\"\u003e\u003cstrong data-start=\"432\" data-end=\"484\"\u003eThe Next Evolution in Powerstroke Cylinder Heads\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"487\" data-end=\"862\"\u003eThe \u003cstrong data-start=\"491\" data-end=\"510\"\u003eKDD ICON Series\u003c\/strong\u003e is not just an upgrade—it’s a ground-up redesign. Using state-of-the-art casting technology and modern port geometry, ICON heads deliver airflow, swirl, and durability that factory and ported heads simply can’t match. Designed, cast, machined, and assembled entirely in the USA, these heads set the benchmark for 6.0 and 6.4 Powerstroke performance.\u003c\/p\u003e\n\u003chr data-start=\"864\" data-end=\"867\"\u003e\n\u003ch3 data-start=\"869\" data-end=\"891\"\u003e\u003cstrong data-start=\"873\" data-end=\"889\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"892\" data-end=\"1892\"\u003e\n\u003cli data-start=\"892\" data-end=\"995\"\u003e\n\u003cp data-start=\"894\" data-end=\"995\"\u003e🇺🇸 \u003cstrong data-start=\"899\" data-end=\"923\"\u003e100% Made in the USA\u003c\/strong\u003e – Designed, cast, CNC-machined, and hand-assembled in North Carolina.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"996\" data-end=\"1064\"\u003e\n\u003cp data-start=\"998\" data-end=\"1064\"\u003e\u003cstrong data-start=\"998\" data-end=\"1018\"\u003e24% More Airflow\u003c\/strong\u003e – Outflows stock heads by nearly a quarter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1065\" data-end=\"1142\"\u003e\n\u003cp data-start=\"1067\" data-end=\"1142\"\u003e\u003cstrong data-start=\"1067\" data-end=\"1094\"\u003e82% More Cylinder Swirl\u003c\/strong\u003e – Compared to CNC-ported factory-style heads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1143\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1145\" data-end=\"1268\"\u003e\u003cstrong data-start=\"1145\" data-end=\"1191\"\u003eModern High-Velocity Swirl Port Technology\u003c\/strong\u003e – Similar to what’s used in the 6.7 Powerstroke, Duramax, and 24V Cummins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1269\" data-end=\"1343\"\u003e\n\u003cp data-start=\"1271\" data-end=\"1343\"\u003e\u003cstrong data-start=\"1271\" data-end=\"1299\"\u003eDual-Layer Water Jackets\u003c\/strong\u003e – Eliminates hot spots, improves cooling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1344\" data-end=\"1433\"\u003e\n\u003cp data-start=\"1346\" data-end=\"1433\"\u003e\u003cstrong data-start=\"1346\" data-end=\"1375\"\u003eStructural Reinforcements\u003c\/strong\u003e – Gussets and ribbing evenly distribute clamping loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1534\"\u003e\n\u003cp data-start=\"1436\" data-end=\"1534\"\u003e\u003cstrong data-start=\"1436\" data-end=\"1454\"\u003eO-Ringed Decks\u003c\/strong\u003e – Built-in stainless O-ring design virtually eliminates head gasket failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1535\" data-end=\"1611\"\u003e\n\u003cp data-start=\"1537\" data-end=\"1611\"\u003e\u003cstrong data-start=\"1537\" data-end=\"1564\"\u003eHardened Seats \u0026amp; Guides\u003c\/strong\u003e – Long-lasting durability under extreme use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1612\" data-end=\"1687\"\u003e\n\u003cp data-start=\"1614\" data-end=\"1687\"\u003e\u003cstrong data-start=\"1614\" data-end=\"1642\"\u003e25% Thicker Deck Surface\u003c\/strong\u003e – Increased rigidity for superior sealing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1688\" data-end=\"1799\"\u003e\n\u003cp data-start=\"1690\" data-end=\"1799\"\u003e\u003cstrong data-start=\"1690\" data-end=\"1715\"\u003eAluminum Construction\u003c\/strong\u003e – 75+ lbs lighter per pair than factory iron heads, with better heat dissipation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1800\" data-end=\"1892\"\u003e\n\u003cp data-start=\"1802\" data-end=\"1892\"\u003e\u003cstrong data-start=\"1802\" data-end=\"1822\"\u003eReady to Install\u003c\/strong\u003e – Ships fully assembled with valves, springs, retainers, and seals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1894\" data-end=\"1897\"\u003e\n\u003ch3 data-start=\"1899\" data-end=\"1926\"\u003e\u003cstrong data-start=\"1903\" data-end=\"1924\"\u003eWhy Swirl Matters\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1927\" data-end=\"2194\"\u003eFlow numbers don’t tell the whole story. Traditional porting increases airflow but sacrifices \u003cem data-start=\"2021\" data-end=\"2028\"\u003eswirl\u003c\/em\u003e—the critical mixture motion in a diesel cylinder. Without swirl, fuel can’t fully mix with oxygen, leading to unburnt fuel, higher EGTs, more soot, and less power.\u003c\/p\u003e\n\u003cp data-start=\"2196\" data-end=\"2233\"\u003eKDD’s ICON Series changes the game:\u003c\/p\u003e\n\u003cul data-start=\"2234\" data-end=\"2447\"\u003e\n\u003cli data-start=\"2234\" data-end=\"2285\"\u003e\n\u003cp data-start=\"2236\" data-end=\"2285\"\u003eMaintains \u003cstrong data-start=\"2246\" data-end=\"2262\"\u003ehigh airflow\u003c\/strong\u003e \u003cem data-start=\"2263\" data-end=\"2268\"\u003eand\u003c\/em\u003e optimal swirl.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2286\" data-end=\"2358\"\u003e\n\u003cp data-start=\"2288\" data-end=\"2358\"\u003eEnsures every droplet of fuel meets oxygen for a more complete burn.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2359\" data-end=\"2447\"\u003e\n\u003cp data-start=\"2361\" data-end=\"2447\"\u003eDelivers more power, quicker turbo spool, lower EGTs, and sharper throttle response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2449\" data-end=\"2452\"\u003e\n\u003ch3 data-start=\"2454\" data-end=\"2493\"\u003e\u003cstrong data-start=\"2458\" data-end=\"2491\"\u003eEngineering Backed by Testing\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2494\" data-end=\"2611\"\u003eKDD didn’t just rely on flow benches—they used \u003cstrong data-start=\"2541\" data-end=\"2574\"\u003eCFD (Computer Fluid Dynamics)\u003c\/strong\u003e to simulate real-world conditions:\u003c\/p\u003e\n\u003cul data-start=\"2612\" data-end=\"2717\"\u003e\n\u003cli data-start=\"2612\" data-end=\"2647\"\u003e\n\u003cp data-start=\"2614\" data-end=\"2647\"\u003e60 PSI intake manifold pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2648\" data-end=\"2673\"\u003e\n\u003cp data-start=\"2650\" data-end=\"2673\"\u003e150°F intake air temp\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2674\" data-end=\"2717\"\u003e\n\u003cp data-start=\"2676\" data-end=\"2717\"\u003e4,000 RPM with S2 camshaft valve timing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2719\" data-end=\"2916\"\u003eThe result? ICON heads delivered \u003cstrong data-start=\"2752\" data-end=\"2784\"\u003e7% more in-cylinder air mass\u003c\/strong\u003e than ported factory heads—while \u003cem data-start=\"2817\" data-end=\"2834\"\u003eimproving swirl\u003c\/em\u003e. No other aftermarket diesel head has seen this level of design and validation.\u003c\/p\u003e\n\u003chr data-start=\"2918\" data-end=\"2921\"\u003e\n\u003ch3 data-start=\"2923\" data-end=\"2952\"\u003e\u003cstrong data-start=\"2927\" data-end=\"2950\"\u003eResults That Matter\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2953\" data-end=\"3178\"\u003e\n\u003cli data-start=\"2953\" data-end=\"2988\"\u003e\n\u003cp data-start=\"2955\" data-end=\"2988\"\u003eStock heads: ~160 CFM peak flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2989\" data-end=\"3049\"\u003e\n\u003cp data-start=\"2991\" data-end=\"3049\"\u003eICON Street Port heads: \u003cstrong data-start=\"3015\" data-end=\"3047\"\u003e200+ CFM with improved swirl\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3050\" data-end=\"3178\"\u003e\n\u003cp data-start=\"3052\" data-end=\"3178\"\u003eICON CNC Race Port heads: \u003cstrong data-start=\"3078\" data-end=\"3124\"\u003e240+ CFM and 22% more in-cylinder air mass\u003c\/strong\u003e (for maximum performance builds, lead time applies)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3180\" data-end=\"3183\"\u003e\n\u003ch3 data-start=\"3185\" data-end=\"3205\"\u003e\u003cstrong data-start=\"3189\" data-end=\"3203\"\u003eIn Summary\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3206\" data-end=\"3297\"\u003e✅ Stronger than stock.\u003cbr data-start=\"3259\" data-end=\"3262\"\u003e✅ Proven with modern engineering.\u003c\/p\u003e\n\u003cp data-start=\"3299\" data-end=\"3593\"\u003eThe \u003cstrong data-start=\"3303\" data-end=\"3349\"\u003eKDD ICON Series Street Port Cylinder Heads\u003c\/strong\u003e are the only aftermarket aluminum cylinder heads for the 6.0\/6.4 Powerstroke, and the only ones fully made in the USA. From daily driving and heavy towing to high-performance street builds, they deliver unmatched reliability and performance.\u003c\/p\u003e\n\u003cp data-end=\"3666\" data-start=\"3490\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"3666\" data-start=\"3490\"\u003e \u003c\/p\u003e","brand":"Kill Devil Diesel","offers":[{"title":"18mm","offer_id":54960917676323,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"20mm","offer_id":54960917709091,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/7319\/8371\/files\/PhotoRoom_20220908_072024_695x606_510c461d-f219-4193-9953-543b01d4d676.webp?v=1776949125","url":"https:\/\/shopken.top\/products\/icon-series-aluminum-o-ringed-6-0-cylinder-heads-street-port","provider":"Sarah Store","version":"1.0","type":"link"}