{"product_id":"frankenstein-cylinder-heads-m311-boost-monster-ls3-pair","title":"Frankenstein - Cylinder Heads M311 Boost Monster LS3 (Pair)","description":"\u003ch2\u003eFrankenstein - Cylinder Heads Rectangle Port M311 Boost Monster (Set)\u003c\/h2\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfigured for Superchargers, Turbos, and Boosted Applications\u003c\/li\u003e\n\u003cli\u003eFully CNC ported, 68cc chamber volume\u003c\/li\u003e\n\u003cli\u003eBlack nitride stainless Intake valves, inconel exhaust valves\u003c\/li\u003e\n\u003cli\u003ePAC .700” lift springs with titanium retainers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e273cc intake port, 112cc exhaust port and 11° valve angle\u003c\/li\u003e\n\u003cli\u003eO-ringed exhaust ports (includes orings)\u003c\/li\u003e\n\u003cli\u003eIncludes: 2 heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*does NOT include rockers or rocker stands\u003c\/p\u003e\n\u003ch3\u003eHelpful Links\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOptional \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.ictbillet.com\/products\/ls9-cylinder-head-gasket-mls-051-thick-4-10-bore-for-ls-turbo-engines-1-gasket?variant=46047958761702\" style=\"color: rgb(255, 42, 0);\" target=\"_blank\"\u003ehead gaskets\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptional \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.ictbillet.com\/products\/ls-billet-aluminum-valve-cover-set-12orb-pcv-ls1-ls2-lsx-ls7-ls3?_pos=1\u0026amp;_psq=551713\u0026amp;_psid=cdcb9f492\u0026amp;_ss=e\" style=\"color: rgb(255, 42, 0);\" target=\"_blank\"\u003evalve covers\u003c\/a\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Frankenstein","offers":[{"title":"Default Title","offer_id":48246040035558,"sku":"FED-M311BM","price":4500.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/8259\/6070\/files\/frankenstein-cylinder-heads-m311-boost-monster-ls3-pair-ict-billet-9435505.jpg?v=1789069628","url":"https:\/\/www.ictbillet.com\/es\/products\/frankenstein-cylinder-heads-m311-boost-monster-ls3-pair","provider":"ICT Billet","version":"1.0","type":"link"}