{"product_id":"assembled-aluminum-cylinder-heads","title":"Assembled Aluminum Cylinder Heads","description":"The Speedmaster PCE281.2050 cylinder heads are constructed from aluminum and sold as a pair, designed to fit Ford Small Block 289, 302, and 351 Windsor engines. These assembled heads boast 210cc intake runners and 62cc combustion chambers, catering to builds aiming for 400-700 horsepower. Key specifications include a maximum valve lift of .580 inches and a coil bind clearance of .740 inches. The intake valve spring pressure is rated at 130 lbs at 1.8 inches, with 125 lbs of open pressure and 320 lbs of seat pressure.","brand":"Speedmaster","offers":[{"title":"Default Title","offer_id":52663775953208,"sku":"PCE281.2050","price":879.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687687035.jpg?v=1784329512","url":"https:\/\/store.motormia.co\/products\/assembled-aluminum-cylinder-heads","provider":"MOTORMIA","version":"1.0","type":"link"}