{"product_id":"dart-iron-eagle-s-s-small-block-chevy-cylinder-heads-4","title":"Dart 10024361 Iron Eagle S\/S Small Block Chevy Cylinder Heads","description":"Stock 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.","brand":"Dart","offers":[{"title":"Default Title","offer_id":51163582038331,"sku":"BGWK_10024361","price":949.09,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/5958\/2011\/files\/10021070-ANG135_17268af5-4aaf-4d25-b6d7-d6a01afd418a.jpg?v=1776120239","url":"https:\/\/performancepartscanada.ca\/products\/dart-iron-eagle-s-s-small-block-chevy-cylinder-heads-4","provider":"Performance Parts Canada","version":"1.0","type":"link"}