{"product_id":"comp-cams-ford-small-block-camshaft-fs-xe258-hr10","title":"COMP Cams Ford Small Block Camshaft FS XE258 HR10","description":"The COMP Cams Xtreme Energy camshaft delivers enhanced street performance for Ford Small Block engines, producing very strong torque and horsepower gains with a smooth idle and responsive throttle—ideal for mild performance upgrades and heavy vehicle applications. Engineered for excellent low- to mid-range power, it performs best with proven combinations such as the Edelbrock Performer intake manifold and a TCI Street Rodder or stock torque converter. Featuring full-size base circles, this camshaft works seamlessly with COMP Cams Evolution hydraulic roller tappets and eliminates the need for dog bones and lifter retainers—components never intended for pre-1985 applications. This camshaft supersedes part number 31-412-8, offering a dependable upgrade designed for improved drivability and consistent performance.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":51121407885479,"sku":"CCA31-491-9","price":788.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/33b82b51defd5c845e78b34f00e9bf9fL.jpg?v=1786761286","url":"https:\/\/www.straightsiximports.com\/products\/comp-cams-ford-small-block-camshaft-fs-xe258-hr10","provider":"Straight Six Imports","version":"1.0","type":"link"}