{"product_id":"ford-racing-302-351w-z-head-aluminum-assembled-63cc","title":"Ford Racing 302\/351W Z-Head Aluminum - Assembled 63CC","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eCast from prime A356 T6 aluminum, these 'Z' heads from Ford Racing were designed using solid modeling technology. They feature high-flow ports and steel alloy intake and exhaust valve seats installed (they do require a competition valve job and bowl blending). The manganese-bronze valve guides are installed with a semi-finished I.D. and the combustion chambers are CNC-machined. Laser-cut guideplates are included, and they accept both tapered seat and gasket-style 14mm spark plugs.\u003c\/p\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/261be214837723b5c2d12b0745deda89.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e145 lbs. 1.80 in. Valve Spring Closed Pressure\u003c\/li\u003e\n\u003cli\u003e358 lbs. 1.175 in. Valve Spring Open Pressure\u003c\/li\u003e\n\u003cli\u003eSteel Alloy Intake\/Exhaust Valve Seats\u003c\/li\u003e\n\u003cli\u003e85cc Exhaust Port Volume As Cast\u003c\/li\u003e\n\u003cli\u003e204cc Intake Port Volume As Cast\u003c\/li\u003e\n\u003cli\u003eHeads are Cast w\/High Flow Ports\u003c\/li\u003e\n\u003cli\u003eCast From Prime A356 T6 Aluminum\u003c\/li\u003e\n\u003cli\u003eManganese-Bronze Valve Guides\u003c\/li\u003e\n\u003cli\u003e63cc CNCd Combustion Chamber\u003c\/li\u003e\n\u003cli\u003e20 Degree Inline Valves\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ford Racing","offers":[{"title":"Default Title","offer_id":47724043501762,"sku":"FRPM-6049-Z304DA","price":1825.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0784\/7874\/files\/2be8cce303f0da62632cab500073aa93L.jpg?v=1780346278","url":"https:\/\/grocerygetterperformance.com\/products\/ford-racing-302-351w-z-head-aluminum-assembled-63cc","provider":"Grocery Getter Performance","version":"1.0","type":"link"}