{"product_id":"assembled-cylinder-head-for-ford-sb-windsor","title":"Assembled Cylinder Head for Ford SB Windsor","description":"The Speedmaster PCE281.2047 is a solid flat assembled aluminum cylinder head engineered as a direct upgrade for Ford Small Block 289, 302, and 351 Windsor engines. With 190cc intake runners and 62cc combustion chambers, it is optimized for engines aiming for 400-700 horsepower.\n\nKey specifications include a maximum valve lift of .580 inches and a coil bind clearance of .740 inches. The valve springs are rated at 130 lbs of intake and exhaust seat pressure at 1.8 inches installed height, with an open seat pressure of 320 lbs and a closed seat pressure of 125 lbs.\n\nSpeedmaster's performance heads have a proven track record on the track and the dyno, frequently featured in performance automotive publications. This assembled head is built with premium components to ensure optimal airflow, leading to enhanced engine performance, improved throttle response, and greater top-end horsepower across the entire RPM range. Note that the camshaft and lifters are not included with this cylinder head assembly.","brand":"Speedmaster","offers":[{"title":"Default Title","offer_id":52663776117048,"sku":"PCE281.2047","price":1030.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687687033.jpg?v=1784329514","url":"https:\/\/store.motormia.co\/products\/assembled-cylinder-head-for-ford-sb-windsor","provider":"MOTORMIA","version":"1.0","type":"link"}