{"product_id":"performance-cylinder-head-stage-1-dodge-ram-5-9l-cummins-03-07-w-fire-ring-djpch100202","title":"Performance Cylinder Head (Stage 1) Dodge\/Ram 5.9L Cummins 03-07 (W\/ Fire Ring) DJPCH100202","description":"The 2003-2007 5.9 Stage 1 Cummins Performance Head is engineered for enhanced airflow and performance while maintaining the factory intake plenum for easy installation. Featuring 105-pound valve springs and a 5-axis CNC port job, this head increases intake flow from 155 CFM to 220 CFM, improving low-end power, reducing boost pressure, and lowering EGTs. With hardened valve seats, bronze guides, and a precision CNC valve job, this upgrade optimizes fuel efficiency and horsepower while maintaining OEM fitment. Manufactured by D\u0026amp;J Precision Machine, this head is designed for performance-driven builds and daily-driven reliability.","brand":"BD Diesel","offers":[{"title":"Default Title","offer_id":44198800818298,"sku":"BKJX_DJPCH100202","price":6615.5,"currency_code":"CAD","in_stock":false}],"url":"https:\/\/gtrauto.ca\/products\/performance-cylinder-head-stage-1-dodge-ram-5-9l-cummins-03-07-w-fire-ring-djpch100202","provider":"GTR Auto","version":"1.0","type":"link"}