{"product_id":"black-hawk-assembled-aluminum-cylinder-head","title":"Black Hawk Assembled Aluminum Cylinder Head","description":"The AFR 2517 Black Hawk is a high-performance, assembled aluminum cylinder head engineered for Gen III HEMI engines, including 5.7L, 6.1L, 6.2L, and 6.4L applications. Manufactured using permanent-mold technology with A356 aluminum, this cylinder head boasts 100% CNC ported intake and exhaust ports, as well as CNC-machined combustion chambers. Its robust .750” thick head deck is designed to withstand the demands of high boost and extreme power output.\n\nThis Black Hawk series head features enhanced water jacketing for improved cooling while maintaining a minimum of .200” port to water jacket thickness. It is designed to accommodate hydraulic roller camshafts with lifts up to .650”. The AFR 2517 is also available with a machining option to add bolt hole and dowel provisioning, making it compatible with Hellcat superchargers. Included components comprise PAC Racing springs, titanium retainers, and hardened valve spring cups.\n\nPerformance specifications include a 224cc intake runner volume, 64cc exhaust port volume, and a 73cc combustion chamber size. Flow data from testing at 28” of water pressure on a Superflow 1020 dyno shows intake CFM ranging from 160 at .200” lift to 385 at .650” lift, and exhaust CFM from 127 at .200” lift to 255 at .650” lift.","brand":"AFR","offers":[{"title":"Default Title","offer_id":52686847574328,"sku":"AFR 2517","price":1821.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660180693.webp?v=1784877454","url":"https:\/\/store.motormia.co\/products\/black-hawk-assembled-aluminum-cylinder-head","provider":"MOTORMIA","version":"1.0","type":"link"}