{"product_id":"genx-255-ls3-cylinder-heads","title":"GenX 255 LS3 Cylinder Heads","description":"The Trick Flow GenX 255 cylinder heads are engineered for GM LS3 engines, offering significant airflow and performance potential.\n\nKey specifications include 2.165-inch intake valves and 1.600-inch exhaust valves, capable of handling up to 0.650 inches of maximum valve lift. The intake port volume is 255cc, and the chamber volume is 69cc. These heads also include new rocker arm rail mounts, compatible with LS3 1.7 ratio rocker arms. They require a minimum bore diameter of 4.000 inches.\n\nThese Trick Flow GenX 255 cylinder heads are compatible with GM LS3 engines and can accommodate LS3-style intake manifolds and LS9\/LSA blower assemblies.","brand":"Trick Flow","offers":[{"title":"Default Title","offer_id":52689429496120,"sku":"TFS-3261T002-C01","price":1549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687749487.jpg?v=1784906532","url":"https:\/\/store.motormia.co\/products\/genx-255-ls3-cylinder-heads","provider":"MOTORMIA","version":"1.0","type":"link"}