{"product_id":"frankenstein-m311-273cc-ls3-cylinder-heads-set","title":"Frankenstein - M311 273cc LS3 Cylinder Heads (SET)","description":"\u003ch2 data-uw-rm-heading=\"prs\"\u003eM311 273cc LS3 Cylinder Heads\u003c\/h2\u003e\n\u003ch3 data-uw-rm-heading=\"prs\"\u003eFully CNC ported, Stainless Steel Severe Duty Valves, PAC .700” Lift Valve Springs, O-Ringed Exhaust Ports and Titanium Retainers\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully 5-Axis CNC ported, 68cc chamber volume\u003c\/li\u003e\n\u003cli\u003e273cc intake port, 112cc exhaust port and 11° valve angle\u003c\/li\u003e\n\u003cli\u003eIf needing to extend your alternator harness connection, use ICT# WEALT30-36 (4-pin) or WEALT40-36 (2-pin)\u003c\/li\u003e\n\u003cli\u003eHigh Quality Components:\u003cbr\u003eBlack Nitride Stainless Steel Severe Duty Valves\u003cbr\u003eCustom PAC .700” Lift Valve Springs\u003cbr\u003eTitanium Retainers\u003c\/li\u003e\n\u003cli\u003eO-Ringed Exhaust Ports (Hi-Temp Silicone O-rings Included)\u003c\/li\u003e\n\u003cli\u003e2″ Headers Recommended\u003c\/li\u003e\n\u003cli\u003eCompatible with 4-bolt and 6-bolt cylinder heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e*Does not include rockers or rocker stands\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"frankenstein Engine Dynamics","offers":[{"title":"Default Title","offer_id":47572016726246,"sku":"FED-M311","price":3333.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/8259\/6070\/files\/frankenstein-m311-273cc-ls3-cylinder-heads-set-ict-billet-4045539.jpg?v=1777049292","url":"https:\/\/www.ictbillet.com\/es\/products\/frankenstein-m311-273cc-ls3-cylinder-heads-set","provider":"ICT Billet","version":"1.0","type":"link"}