{"product_id":"frankenstein-engine-dynamics-fed113002-bare-m311-ls3-cylinder-head-rect-port-bare","title":"Frankenstein Engine Dynamics FED113002-BARE M311 LS3 Cylinder Head Rect-Port Bare","description":"\u003cp\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe Frankenstein Engine Dynamics FED113002-BARE M311 LS3 Cylinder Head is designed for those looking to enhance their engine's performance. This bare cylinder head features a rectangular port design and is crafted from aluminum, making it a lightweight yet durable option for GM LS-Series engines. With valve sizes of 2.165 inches for the intake and 1.600 inches for the exhaust, it provides a solid foundation for building a powerful engine. The cylinder head has a 273 cc intake runner volume and a 71 cc combustion chamber, which are key specifications for those familiar with engine modifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eRectangular port design for improved airflow.\u003c\/li\u003e\n    \u003cli\u003eConstructed from lightweight aluminum.\u003c\/li\u003e\n    \u003cli\u003eValve sizes: 2.165 in (intake) and 1.600 in (exhaust).\u003c\/li\u003e\n    \u003cli\u003eIntake runner volume of 273 cc.\u003c\/li\u003e\n    \u003cli\u003eCombustion chamber volume of 71 cc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eCompatibility Guidance:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003ePlease consult a professional before purchase to confirm the correct fitment for your vehicle.\u003c\/p\u003e","brand":"Frankenstein Engine Dynamics","offers":[{"title":"Default Title","offer_id":46823442448627,"sku":"FED113002-BARE","price":1330.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/4471\/1411\/files\/FED113002-BARE_c3dbe1a6-a700-49a3-8024-d43d728efa56.jpg?v=1753706167","url":"https:\/\/modern4wd.com\/products\/frankenstein-engine-dynamics-fed113002-bare-m311-ls3-cylinder-head-rect-port-bare","provider":"Modern4WD","version":"1.0","type":"link"}