{"product_id":"nor-10021010-iron-eagle-s-s-small-block-chevy-cylinder-heads","title":"DART 10021010 Iron Eagle S\/S Small Block Chevy Cylinder Heads","description":"\u003cp\u003eStock replacement, street and strip performance, or towing upgrade with mildly modified engines from idle to 5,500 RPM. Best for 305-383 cubic inch engines. Works with most standard components. Dart Iron Eagle S\/S 23 Deg 165cc heads produce great throttle response and low to mid-range torque for street performance engines. Our precision cast ports and chambers produce outstanding air flow without time consuming porting. Dart S\/S heads are legal in many racing sanctions with Iron head rules. Assemblies include Stainless Steel valves, premium springs, locks, retainers, and seals. Guide plates not included for self-aligning rocker styles.\u003c\/p\u003e\n\u003cp\u003eDart Iron Eagle S\/S Small 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 Iron Eagle S\/S Small 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":53300675543253,"sku":"ds_BGWK_10021010","price":929.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/8999\/9829\/files\/10021070-ANG135_935837b7-d259-4c04-b51e-ec100b0e3093.jpg?v=1771967225","url":"https:\/\/shdp.ca\/products\/nor-10021010-iron-eagle-s-s-small-block-chevy-cylinder-heads","provider":"SHDP Truck \u0026 Auto","version":"1.0","type":"link"}