{"product_id":"cnc-ported-induction-street-series-cylinder-head","title":"CNC Ported Induction Street Series Cylinder Head 2003-2018 cummins","description":"\u003cp\u003e\u003cstrong\u003eCNC Ported Induction Street Series Cylinder Head Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNew Cylinder Head \u003cstrong\u003eNO\u003c\/strong\u003e core needed\u003c\/li\u003e\n\u003cli\u003eEnhanced Durability With Induction Hardened Seats\u003c\/li\u003e\n\u003cli\u003e5 Axis CNC Ported 20% Increase with stock intake shelf\u003c\/li\u003e\n\u003cli\u003eMulti-Angle Valve Job for Improved Flow\u003c\/li\u003e\n\u003cli\u003e11 Thread-in Freeze Plugs\u003c\/li\u003e\n\u003cli\u003e198 CFM Intake 208 CFM Exhaust\u003c\/li\u003e\n\u003cli\u003eUpgraded 4.5K Valve Springs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your 2003-2018 Dodge RAM 5.9L or 6.7L Cummins with our premium CNC Ported Street Series Cylinder Head, engineered for superior performance and reliability. Designed as a 6.7L Cummins cylinder head, this upgraded head is compatible with both 5.9L and 6.7L engines—simply pair it with the correct head gasket for your engine block’s model year.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEnhanced Durability with Induction Hardened Seats\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUnlike stock Cummins heads, which are prone to dropping valve seats during heavy towing or high-performance street use, our cylinder heads feature\u003cstrong\u003e integrated\u003c\/strong\u003e \u003cstrong\u003einduction-hardened valve seats\u003c\/strong\u003e. These robust seats are designed to withstand extreme conditions, ensuring your engine stays reliable whether you're hauling heavy loads or pushing the limits on the street.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOptimized Airflow with CNC Porting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOur Stage 1 CNC porting delivers a \u003cstrong\u003e20% increase in airflow\u003c\/strong\u003e, achieving \u003cstrong\u003e198 CFM intake flow\u003c\/strong\u003e and \u003cstrong\u003e208 CFM exhaust flow\u003c\/strong\u003e. This precision porting enhances engine efficiency, reduces exhaust gas temperatures (EGT), and boosts performance for towing and street applications up to \u003cstrong\u003e900 hp\u003c\/strong\u003e. This durable port design excels in towing and moderate street performance applications with a focus on ultimate reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSuperior Construction\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach new cylinder head is meticulously crafted with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-angle valve job\u003c\/strong\u003e for optimal sealing and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium stock-sized valves\u003c\/strong\u003e for precise operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded PDD 4.5k valve springs\u003c\/strong\u003e, locks, retainers, and valve seals for enhanced durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded freeze plugs\u003c\/strong\u003e replace soft factory plugs, eliminating the risk of coolant leaks under the valve cover that can mix coolant with engine oil.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBuilt for Reliability\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSay goodbye to sidelined tow rigs and street trucks. Our cylinder heads are designed to prevent common issues like dropped valve seats and blown freeze plugs, ensuring your Cummins engine performs reliably under demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe CNC Ported Street Series Cylinder Head is recommended for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTowing and hauling\u003c\/strong\u003e vehicles requiring maximum reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet performance\u003c\/strong\u003e trucks aiming for up to \u003cstrong\u003e900 hp\u003c\/strong\u003e with lower EGTs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModerate builds\u003c\/strong\u003e prioritizing durability and efficiency over extreme horsepower.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy Choose Our Cylinder Head?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis cylinder head exceeds factory specifications, offering unmatched reliability and performance for your Cummins-powered Dodge RAM. Whether you're towing heavy loads or enjoying spirited street driving, this cylinder head delivers the durability and efficiency you need to keep your truck running strong.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote\u003c\/strong\u003e: Ensure you use the correct head gasket for your engine block’s model year to guarantee compatibility\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Stock Gasket","offer_id":50168645779695,"sku":"REH3111","price":4900.0,"currency_code":"CAD","in_stock":true},{"title":"Fire-Ringed","offer_id":50168645812463,"sku":"REH3112","price":5345.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/6397\/9503\/files\/Screenshot_27-7-2026_95937_powerdriven.com_0a886540-793b-4932-950a-50cf9f73e51f.jpg?v=1785161064","url":"https:\/\/www.screamindieselstore.com\/products\/cnc-ported-induction-street-series-cylinder-head","provider":"Screamin' Diesel Store","version":"1.0","type":"link"}