{"title":"Stock \u0026 Performance Street Heads 500 Series","description":"","products":[{"product_id":"autolinea-cylinder-head-35-5-by-32-valves-single-high-rev","title":"Autolinea Cylinder Head 35.5 by 32 Valves, Single High-Rev","description":"\u003cp\u003e\u003cstrong\u003eAutolinea heads are made in Brazil and are available built with quality components. Heads include standard 35.5mm intake and 32mm stainless exhaust valves. 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They are ready to install.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine: \u003c\/strong\u003eVW Type 1, 2, and 3 1600 single port\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValves: \u003c\/strong\u003e35.5mm intake by 32mm 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 14mm \u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBore: \u003c\/strong\u003e85.5 - works with 85.5,87 and 88 slip-in kits\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBore: \u003c\/strong\u003e92 - works with 88 thick wall, 90.5, and 92mm kits\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBore: \u003c\/strong\u003e94 - works with 92 thick walls K and M and 94mm kits\u003c\/p\u003e","brand":"AA Performance Products","offers":[{"title":"85.5 Bore","offer_id":46603461492926,"sku":"353 400 85B X2","price":621.9,"currency_code":"USD","in_stock":true},{"title":"92 Bore (Add $20.00)","offer_id":46603461525694,"sku":"353 400 92B X2","price":655.9,"currency_code":"USD","in_stock":true},{"title":"94 Bore (Add $20.00)","offer_id":46603461558462,"sku":"353 400 94B X2","price":655.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/6323\/0398\/files\/311-101-353A_64027351-8a4f-43e4-b383-4d52a8aca514.jpg?v=1782950842"},{"product_id":"vw-1600-port-polish-stage-2-cylinder-heads-42x37-5-pair","title":"VW 1600 Ported Stage 2 Cylinder Heads, 42X37.5 \"Pair\"","description":"\u003cstrong\u003eThis is a brand new Set of 2 High Performance Stage 2 Mini Wedge Port Cylinder Heads for a VW Type 1 2 or 3 Dual Port.Heads comes with Hand Ports for increased Flow and Performance with Stainless Steel 42mm Intake and a Stainless Steel 37.5mm Exhaust Valves,HardenedKeepers, Chromoly retainers, and Dual high rev springs. They are ready to install.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eMade from an AA 500 Series Casting itcomes STD with: Cleanflowingcooling vanes, formaximumcooling through the head, and around the intake ports forincreasedHP and over all cooling. Amodernized Combustionchamber, for increased head flow \u0026amp; performance. AsecondFull Fin, soyoucanFlycutyourheads deeper to achieve almost any desired Head CC volume needed. Blocked off rocker stud bosses, to eliminate the O-ring and stoppossibleoil leaks. 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Long reach 3\/4 Inch Sparkplugs, to reduce the chance of cracking between the Valve seat and Plug\u003c\/strong\u003e\u003c\/p\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\u003eDual High rev\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 (ReplacementNGK Number is D8EA)\u003c\/span\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\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease pick bore size when ordering above\u003c\/strong\u003e\u003c\/p\u003e","brand":"AA Performance Products","offers":[{"title":"Default Title","offer_id":46603720360126,"sku":"500 420 XXB P2 X2","price":839.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/6323\/0398\/files\/50042085BP2.jpg?v=1782952209"},{"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. 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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_fa89ff56-3314-4db6-a7d4-c19e1a959f00.jpg?v=1782952210"},{"product_id":"new-vw-1600-stock-dual-port-cylinder-head-35-5x32","title":"VW 1600 Stock Dual Port Cylinder Heads, 35.5X32 \"Pair\"","description":"\u003cp\u003e\u003cstrong\u003eThis is a brand new Cylinder Head set for a VW Type 1 2 or 3 Dual Port 1600. 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