{"product_id":"502-series-performance-head-w-seats-and-guides-44-intake-37-5-exhaust","title":"502 Series Performance Head  W\/ seats and guides 44 Intake 37.5 Exhaust","description":"\u003cp\u003e\u003cstrong\u003eMade from an AA 502 Series Casting, It is set up to build the performance Head of your needs. It Comes with Seats 44x37.5, Guides, with a 12mm plug hole.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe 502 Series comes with our Stage 2 porting with a modernized combustion chamber for increased head flow \u0026amp; performance. There is a second Full Fin, so you can Fly cut your heads deeper to achieve almost any desired Head CC volume needed. Blocked off rocker stud bosses, to eliminate the O-ring and stop possible oil leaks. Long reach 3\/4 Inch Spark Plugs, to reduce the chance of cracking between the Valve seat and Plug.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCasting: \u003c\/strong\u003eAA 502\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Size: \u003c\/strong\u003e44x37.5\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHead CC: \u003c\/strong\u003e55cc\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHead Bore: \u003c\/b\u003e85.5\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlug Size:\u003c\/strong\u003e 12mm (ReplacementNGK Number is D8EA)\u003c\/p\u003e","brand":"AA Performance Products","offers":[{"title":"Default Title","offer_id":46603263934654,"sku":"031 502 460","price":349.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/6323\/0398\/files\/031CH502_883fc0c4-0e59-44f4-989a-b5a0d9100f18.jpg?v=1776107214","url":"https:\/\/gex-international.myshopify.com\/products\/502-series-performance-head-w-seats-and-guides-44-intake-37-5-exhaust","provider":"GEX_AA Performance","version":"1.0","type":"link"}