{"product_id":"assembled-aluminum-cylinder-head","title":"Assembled Aluminum Cylinder Head","description":"The Speedmaster PCE281.2046 is an assembled aluminum cylinder head engineered for Ford SB 289, 302, and 351 Windsor engines. This performance head boasts 190cc intake runners designed to enhance airflow for improved power and torque, paired with a 62cc combustion chamber. Constructed from aluminum with a natural finish, it is built for durability and performance.\n\nThis hydraulic flat tappet cylinder head comes fully assembled with essential components. It includes 2.020-inch intake valves and 1.600-inch exhaust valves, dual valve springs rated up to 0.550-inch lift, chromoly steel retainers, 10-degree locks, and positive stop valve stem seals. The heads feature bronze valve guides and ductile iron valve seats, with standard rectangular intake ports and square exhaust ports. It utilizes a perimeter bolt valve cover mounting style and has accessory bolt holes drilled. The oiling style is through the pushrod.\n\nNotably, this cylinder head is not CNC-machined in the combustion chamber or intake runners. It also does not include rocker arm studs, rocker arms, or guideplates. The product is sold as a pair and ships from California within 24 hours, with free shipping to the lower 48 states. This specific listing is for an open-box item that comes with the same warranty and all components as a brand-new unit.","brand":"Speedmaster","offers":[{"title":"Default Title","offer_id":52663776346424,"sku":"PCE281.2046","price":1030.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687687031.jpg?v=1784329515","url":"https:\/\/store.motormia.co\/products\/assembled-aluminum-cylinder-head","provider":"MOTORMIA","version":"1.0","type":"link"}