{"product_id":"comp-cams-ford-small-block-camshaft-complete-kit-fs-xe258-hr10","title":"COMP Cams Ford Small Block Camshaft Complete Kit 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 K31-412-8, offering a dependable upgrade designed for improved drivability and consistent performance.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47099820015812,"sku":"CCAK31-491-9","price":1523.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0516\/2405\/0884\/files\/4f78b83512464a02ea003acacdd601b3L_cc4c2dc8-7aa2-4755-8d27-5f5265e85630.jpg?v=1792756087","url":"https:\/\/www.evolvedtuning.com\/products\/comp-cams-ford-small-block-camshaft-complete-kit-fs-xe258-hr10","provider":"Evolved Tuning","version":"1.0","type":"link"}