{"product_id":"assembled-aluminum-cylinder-head-3","title":"Assembled Aluminum Cylinder Head","description":"The Speedmaster 1-281-002-01 is an assembled aluminum cylinder head designed for Ford SB 289, 302, and 351 Windsor engines. This head features 190cc intake runners with a rectangular port shape and standard location, paired with a 62cc combustion chamber. It includes 2.020-inch intake valves and 1.600-inch exhaust valves, along with dual valve springs and chromoly retainers, supporting a maximum valve lift of 0.550 inches.\n\nThe DNA series cylinder head is constructed from aluminum with a natural finish and utilizes a hydraulic flat tappet product line. It is a direct-fit replacement, though specific fitment may vary and buyers should confirm compatibility.","brand":"Speedmaster","offers":[{"title":"Default Title","offer_id":52866383774008,"sku":"1-281-002-01","price":570.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687689308.webp?v=1787906939","url":"https:\/\/store.motormia.co\/products\/assembled-aluminum-cylinder-head-3","provider":"MOTORMIA","version":"1.0","type":"link"}