{"product_id":"comp-cams-ford-small-block-camshaft-complete-kit-fs-291th-hr07-thumpr","title":"COMP Cams Ford Small Block Camshaft Complete Kit 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 K31-601-8, delivering a dependable upgrade for improved performance and everyday usability.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":44409867468865,"sku":"CCAK31-601-9","price":1523.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/2637\/6001\/files\/4f78b83512464a02ea003acacdd601b3L_78d20ca7-878f-43d3-b131-c7e64998b07d.jpg?v=1786741319","url":"https:\/\/shop.kingsperformance.com\/en-au\/products\/comp-cams-ford-small-block-camshaft-complete-kit-fs-291th-hr07-thumpr","provider":"Kings Performance","version":"1.0","type":"link"}