{"product_id":"howards-cams-mechanical-roller-camshaft-4-7-swap","title":"Howards Cams Mechanical Roller Camshaft, 4\/7 Swap","description":"The Howards Cams 4\/7 Swap is a mechanical roller camshaft designed for Chevy SB engines ranging from 262 to 400 cubic inches, manufactured between 1955 and 1998. This camshaft features a wide RPM range of 5200 to 8800, with a valve lift of .675\" intake and .645\" exhaust. The duration at 0.050\" lift is 277° for the intake and 285° for the exhaust, with a lobe separation of 106°.\n\nThis camshaft is intended for all-out competition use, particularly with large cylinder heads and high compression setups. It requires upgraded components such as stock (O.E.) valve springs cannot be used, a thrust button, an upgraded distributor gear, and a fuel pump pushrod. Additionally, the ignition firing order must be changed to 1-8-7-2-6-5-4-3 for proper operation.","brand":"Howards Cams","offers":[{"title":"Default Title","offer_id":53748222886200,"sku":"114233-06","price":541.12,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/865857219.jpg?v=1793975390","url":"https:\/\/store.motormia.co\/products\/howards-cams-mechanical-roller-camshaft-4-7-swap","provider":"MOTORMIA","version":"1.0","type":"link"}