{"product_id":"genx-top-end-engine-kit","title":"GenX Top-End Engine Kit","description":"The Trick Flow GenX® 455 HP Top-End Engine Kits are engineered to boost the performance of GM LS-powered trucks.\n\nThe kit includes a Track Max® hydraulic roller camshaft with specific duration and lift specifications (216 int.\/220 exh. duration at 0.050 lift, 0.560 in. valve lift) and Trick Flow® one-piece chromoly pushrods. Also included are shaft mount roller rockers, bolts, and gaskets, with cylinder heads constructed from cast aluminum and featuring 58cc combustion chambers and 205cc intake runners.\n\nInstallation of this kit requires aftermarket tuning for optimal performance. The components within these kits are matched to potentially add 50-75 horsepower to your LS-powered truck, offering a significant performance upgrade for applications such as 5.3L Chevy trucks.","brand":"Trick Flow","offers":[{"title":"Default Title","offer_id":52689431167288,"sku":"TFS-K305-455-425","price":2899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687749603.jpg?v=1784906550","url":"https:\/\/store.motormia.co\/products\/genx-top-end-engine-kit","provider":"MOTORMIA","version":"1.0","type":"link"}