{"product_id":"comp-cams-ford-small-block-camshaft-complete-kit-fs-xe258-hr10-k31-491-9","title":"COMP Cams Ford Small Block Camshaft Complete Kit FS XE258 HR10 K31-491-9","description":"\u003cp\u003eCCA Camshaft Kits\u003c\/p\u003e\u003cp\u003eEngine Camshaft Kit\u003c\/p\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003cp\u003eThe COMP Cams Xtreme Energy series delivers enhanced street performance, offering strong midrange torque and horsepower gains with smooth idle and responsive throttle—ideal for mild performance upgrades.\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":49703640858776,"sku":"9KKEX","price":1523.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0867\/0360\/files\/4f78b83512464a02ea003acacdd601b3L_af9d9a53-bbaf-47a1-8081-10c30d5b5d65.jpg?v=1787026881","url":"https:\/\/frsport.com\/products\/comp-cams-ford-small-block-camshaft-complete-kit-fs-xe258-hr10-k31-491-9","provider":"FR SPORT","version":"1.0","type":"link"}