{"product_id":"nor-18000000c-big-chief-cnc-aluminum-big-block-chevy-cylinder-heads","title":"DART 18000000C Big Chief CNC Aluminum Big Block Chevy Cylinder Heads","description":"\u003cp\u003eMaximum Top Sportsman, Top Dragster, Pro Mod and Pro Street competition. Excellent with alcohol and nitrous, over 7,000 RPM, over 500 cubic inches. An updated Dart Big Chief 385 program incorporates a 2.500 in. intake valve for a dramatic increase in air flow. Big Chief heads have dominated in Sportsman classes since their introduction, and we have continued to improve the design with the latest Pro Stock technology. With our sophisticated CNC machining programs, we can tailor a pair of Big Chief 14 Deg CNC heads to fit your exact engine combination. Copper seats are standard and assemblies come with Titanium valves.\u003c\/p\u003e\n\u003cp\u003eDart Big Chief CNC Aluminum Big Block Chevy Cylinder Heads\u003c\/p\u003e\n\u003cp\u003ePlease review Specifications and the detailed fitment table for notes and exceptions.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\u003ctable class=\"specs\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003ctd\u003eDart Big Chief CNC Aluminum Big Block Chevy Cylinder Heads\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e","brand":"DART","offers":[{"title":"Default Title","offer_id":53300690649301,"sku":"ds_BGWK_18000000C","price":3899.99,"currency_code":"CAD","in_stock":false}],"url":"https:\/\/shdp.ca\/products\/nor-18000000c-big-chief-cnc-aluminum-big-block-chevy-cylinder-heads","provider":"SHDP Truck \u0026 Auto","version":"1.0","type":"link"}