{"product_id":"new-vw-1600-dual-port-high-performance-cylinder-head-40x355-s1-ported","title":"VW 1600 Port \u0026 Polish Stage 1 Cylinder Heads, 40X35.5 \"Pair\"","description":"\u003cp\u003e\u003cstrong\u003eThis is a brand new pair of high-performance stage 1 round port cylinder heads for a VW Type 1, 2, or 3 dual port. Heads comes with hand round ports for increased flow and performance with stainless steel 40mm intake and a stainless steel 35.5mm exhaust valves, hardened keepers, chromoly retainers, and dual high-rev springs. They are ready to install.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade from an AA 500 series casting, these come STD with clean flowing cooling vanes for maximum cooling through the head and around-the-intake ports for increased HP and overall cooling. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThese heads feature:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eA modernized combustion chamber for increased head flow \u0026amp; performance. \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eA second full fin so you can fly cut your heads deeper to achieve almost any desired head CC volume needed. \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBlocked-off rocker stud bosses to eliminate the O-ring and stop possible oil leaks. \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLong-reach 3\/4\" spark plugs to reduce the chance of cracking between the valve seat and plug.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine: \u003c\/strong\u003eVW Type 1, 2 ,and 3 1600 dual port\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSprings:\u003c\/strong\u003e Dual high-rev springs\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValves: \u003c\/strong\u003e40mm intake by 35.5mm exhaust\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCasting: \u003c\/strong\u003eAA Performance 500\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlug Size:\u003c\/strong\u003e\u003cspan\u003e 12mm (Replacement NGK number is D8EA)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBore: \u003c\/strong\u003e85.5 - works with 85.5,87 and 88 slip-in kits\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBore: \u003c\/strong\u003e92 - works with 88 thick wall, 90.5, and 92mm kits\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBore: \u003c\/strong\u003e94 - works with 92 thick walls K and M and 94mm kits\u003c\/p\u003e","brand":"AA Performance Products","offers":[{"title":"Default Title","offer_id":46603720687806,"sku":"500 420 XXB-P1 X2","price":793.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/6323\/0398\/files\/500-420-XX-P1.jpg?v=1776114007","url":"https:\/\/gex-international.myshopify.com\/products\/new-vw-1600-dual-port-high-performance-cylinder-head-40x355-s1-ported","provider":"GEX_AA Performance","version":"1.0","type":"link"}