{"product_id":"ford-racing-302-351w-z-head-aluminum-head-bare-63cc","title":"302\/351W \"Z-HEAD\" ALUMINUM HEAD - BARE 63CC - M-6049-Z304D","description":"\u003cdiv id=\"catalog-text-div\"\u003e\n\u003cul\u003e\n\u003cli\u003eBare Head Features\u003c\/li\u003e\n\u003cli\u003eFor assembled head see M-6049-Z304DA \u003c\/li\u003e\n\u003cli\u003e \u003c\/li\u003e\n\u003cli\u003eFits 302\/351 Windsor engines\u003c\/li\u003e\n\u003cli\u003eThis cylinder head was designed using Solid Modeling Technology\u003c\/li\u003e\n\u003cli\u003eCast from prime A356 T6 aluminum\u003c\/li\u003e\n\u003cli\u003eHeads are cast with high-flow ports\u003c\/li\u003e\n\u003cli\u003e20 degree inline valves\u003c\/li\u003e\n\u003cli\u003eSuggested valve sizes: 2.02\" intake and 1.60\" exhaust\u003c\/li\u003e\n\u003cli\u003eRequires competition valve job and bowl blending\u003c\/li\u003e\n\u003cli\u003eSteel alloy intake and exhaust valve seats installed (no valve job)\u003c\/li\u003e\n\u003cli\u003eManganese-bronze valve guides installed with semi-finished ID\u003c\/li\u003e\n\u003cli\u003e63cc CNC'd combustion chamber\u003c\/li\u003e\n\u003cli\u003eIntake port volume as cast: 204cc\u003c\/li\u003e\n\u003cli\u003eExhaust port volume as cast: 85cc\u003c\/li\u003e\n\u003cli\u003eBare head weighs 27 lbs.\u003c\/li\u003e\n\u003cli\u003eAccepts both tapered seat and gasket style 14mm spark plugs (Motorcraft AGSP-32-PP, Autolite 3924, 3925)\u003c\/li\u003e\n\u003cli\u003eRequires guide plate M-6566-Z304D (not included)\u003c\/li\u003e\n\u003cli\u003eRequires 7\/16\" screw-in studs (not included). Requires 1.65:1 or 1.5:1 ratio roller rocker arms with .150\" offset intake pushrod cup (not included)\u003c\/li\u003e\n\u003cli\u003eUses M-6505-B304 exhaust valve and M-6507-A304 intake valve (not included)\u003c\/li\u003e\n\u003cli\u003eRaised exhaust port exit, custom headers may be required\u003c\/li\u003e\n\u003cli\u003eCheck your intake manifold for port match; not all intakes are compatible due to the tall high-flow ports. Does not fit M-9424-Z51\/-Z51P \u003c\/li\u003e\n\u003cli\u003eUses Felpro ® exhaust gasket part number 1487\u003c\/li\u003e\n\u003cli\u003eFelpro ® VS13264T valve cover gasket recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ford Performance Parts","offers":[{"title":"Default Title","offer_id":47925944647938,"sku":"FRPM-6049-Z304D","price":1072.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/M-6049-Z304D_3.jpg?v=1784977197","url":"https:\/\/www.lethalperformance.com\/products\/ford-racing-302-351w-z-head-aluminum-head-bare-63cc","provider":"Lethal Performance","version":"1.0","type":"link"}