{"product_id":"super-23-230cc-small-block-chevrolet-cylinder-head","title":"Super 23 230cc Small Block Chevrolet Cylinder Head","description":"The Trick Flow Super 23 230cc cylinder head is engineered to deliver high-end racing technology for small block Chevrolet engines, providing performance comparable to 18° cylinder heads while maintaining a 23° design. This head is particularly well-suited for engines 400 cubic inches and larger. It boasts advanced features such as CNC Competition Ported runners, fully CNC-profiled combustion chambers, and an advanced surface finish for superior airflow and performance.\n\nConstructed from durable aluminum, these assembled cylinder heads feature a heart-style combustion chamber with a volume of 70cc. The intake runners are also CNC-machined and measure 230cc, while the exhaust runners are 78cc and feature a D-port shape. With a 2.080 in. intake valve diameter and a 1.600 in. exhaust valve diameter, these heads are designed to maximize volumetric efficiency. The package includes intake and exhaust valves, dual 1.550″ valve springs capable of 460 lbs.\/in., chromoly steel retainers, and 10-degree locks.\n\nAdditional design elements include angled spark plugs, extra-thick decks and walls for potential porting, and raised valve cover rails for improved clearance. The intake port location is standard with a rectangular shape, and the exhaust port shape is a D-port, also standard. Note that these heads require specific head gaskets with a 4.155 in. bore diameter for proper installation.","brand":"Trick Flow","offers":[{"title":"Default Title","offer_id":52689429365048,"sku":"TFS-32410001-C03","price":1499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687749472.jpg?v=1784906531","url":"https:\/\/store.motormia.co\/products\/super-23-230cc-small-block-chevrolet-cylinder-head","provider":"MOTORMIA","version":"1.0","type":"link"}