{"product_id":"ls9-cnc-ported-assembled-cylinder-head","title":"LS9 CNC-Ported Assembled Cylinder Head","description":"The Chevrolet Performance LS9 CNC-Ported Cylinder Head Assembly (P\/N 19328743) represents a significant advancement in factory-engineered high-performance components.\n\nConstructed from special A356T6 aluminum with a Roto-cast head casting, these heads offer exceptional strength and durability. They feature a precisely CNC-ported design and a 66.5cc combustion chamber volume. The assembled heads are equipped with 2.00\" intake valves and 8mm stems, making them a robust upgrade for demanding applications.\n\nAs a direct replacement for production cylinder head assemblies, these LS9 CNC-ported heads are engineered for the 6.2L LS9 engine. They blend the inherent strength of the LS9 design with the precision of CNC porting to optimize airflow and performance.","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":52664187224376,"sku":"19328743","price":810.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/686906084.jpg?v=1784334898","url":"https:\/\/store.motormia.co\/products\/ls9-cnc-ported-assembled-cylinder-head","provider":"MOTORMIA","version":"1.0","type":"link"}