{"product_id":"ls7-cylinder-head-2-20-intake-valve","title":"LS7 Cylinder Head 2.20\" Intake Valve","description":"The GM Performance 12578449 is a new, genuine Chevrolet cylinder head engineered for high-performance LS7 engines. Specifically designed for the 2006-2013 Corvette Z06 with the LS7 LSX 8452 engine, this aluminum head is built to deliver enhanced airflow and power.\n\nThis cylinder head features CNC-ported LS7-style intake ports, measuring 270cc, and 85cc exhaust ports. It is equipped with large 2.20-inch intake valves and 1.61-inch exhaust valves to maximize gas flow. The design requires 91 octane fuel for optimal performance and can sustain up to 7,000 RPM. A 58X reluctor wheel is also integrated.\n\nThis cylinder head comes with a 365-day warranty from First Truck Parts, ensuring reliability and customer confidence. It is a direct replacement part, designed for straightforward installation on compatible LS7 engines.","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":52688585851192,"sku":"12578449","price":1739.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/662665012.webp?v=1784891443","url":"https:\/\/store.motormia.co\/products\/ls7-cylinder-head-2-20-intake-valve","provider":"MOTORMIA","version":"1.0","type":"link"}