{"product_id":"comp-cams-ford-small-block-camshaft-fs-291th-hr07-thumpr","title":"COMP Cams Ford Small Block Camshaft FS 291TH HR07 Thumpr","description":"The COMP Cams Xtreme Energy camshaft delivers enhanced street performance for Ford Small Block engines, providing very strong torque and horsepower gains with a smooth idle and responsive throttle—ideal for mild performance upgrades and heavier vehicle applications. Engineered for excellent low- to mid-range power, it works best with proven combinations such as the Edelbrock Performer intake manifold and a TCI Street Rodder or stock torque converter for reliable drivability. 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 31-601-8, delivering a dependable upgrade for improved performance and everyday usability.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":52458578936110,"sku":"CCA31-601-9","price":562.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/0779\/0894\/files\/33b82b51defd5c845e78b34f00e9bf9fL_30a4844e-0713-41d0-8d99-ec94d80ff34a.jpg?v=1786753365","url":"https:\/\/muscleandtrucks.com\/products\/comp-cams-ford-small-block-camshaft-fs-291th-hr07-thumpr","provider":"Muscle \u0026 Trucks","version":"1.0","type":"link"}