{"product_id":"powerport-240-assembled-aluminum-cylinder-head","title":"PowerPort 240 Assembled Aluminum Cylinder Head","description":"The Trick Flow® PowerPort® 240 Cylinder Heads are engineered for Big Block Mopar engines, offering a significant upgrade over stock components. Crafted from A356-T61 aluminum for strength and reduced weight, these heads boast fully CNC Street Ported combustion chambers and runners, ensuring precise dimensions and balanced flow. The design optimizes runner shape for increased flow velocity and adds strength to the shaft bosses, while rocker shaft and runner areas are enhanced for durability.\n\nKey specifications include 78cc combustion chambers, 240cc intake runners, and 74cc exhaust runners. They are assembled with premium 1.55\" dual springs, titanium retainers, 10-degree steel valve stem locks, and ductile iron valve seats with multi-angle machining. The intake valve diameter is 2.190 inches, and the exhaust valve diameter is 1.760 inches, with a maximum valve lift of 0.680 inches. Note that longer than stock pushrods may be required, and the minimum bore size is 4.320 inches.","brand":"Trickflow","offers":[{"title":"Default Title","offer_id":52689427104056,"sku":"TFS-6161T783-C00","price":1624.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687749399.jpg?v=1784906522","url":"https:\/\/store.motormia.co\/products\/powerport-240-assembled-aluminum-cylinder-head","provider":"MOTORMIA","version":"1.0","type":"link"}