{"product_id":"manley-90-99-mazda-miata-1-8l-bp056-dohc-16-intake-34mm-stainless-race-master-valves","title":"Manley Race Master Intake Valves (34mm, Set of 8) - NA8\/NB Miata (94-05)","description":"\u003cp\u003eThis is a kit of eight Manley Race Series (Race Master) stainless steel intake valves with a 34.00 mm head, made for the Mazda 1.8L BP DOHC 16-valve engine. That is the 1.8L engine of the 1994-1997 Mazda Miata (NA) and 1999-2005 Mazda Miata (NB).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuantity: kit of 8 intake valves\u003c\/li\u003e\n\u003cli\u003e34.00 mm head diameter, 6.00 mm (0.2362 in) stem, 101.35 mm overall length, 3.50 mm tip length\u003c\/li\u003e\n\u003cli\u003eStainless steel; Manley uses its NK-842 alloy for Race Series intake valves\u003c\/li\u003e\n\u003cli\u003eChrome stem and hard tip\u003c\/li\u003e\n\u003cli\u003e17 degree dished head, 22.00 degree underhead angle, 5\/16 in underhead radius\u003c\/li\u003e\n\u003cli\u003e0.050 in margin width and 0.075 in seat width; Manley rates Race Series valves for engines operating under 8000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 1994-1997 Mazda Miata (NA, 1.8L) and 1999-2005 Mazda Miata (NB). Manley lists this valve for the Mazda 1.8L BP engine (BP056 DOHC 16 valve) and names the Miata, but does not publish model years. Manley does not list it for the 1990-1993 1.6L engine. Confirm the 34.00 mm head diameter and the valve length against your cylinder head before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e Manley 11104-8\u003c\/p\u003e\u003cp\u003eThis Part Fits:\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-1997\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2005\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMiata\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":45995640881377,"sku":"MAN11104-8","price":211.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0620\/6849\/0465\/files\/group-9bbf2521-9d90-4653-83d5-f4bdc14f8ca6-800.jpg?v=1761489625","url":"https:\/\/www.garage-56.com\/products\/manley-90-99-mazda-miata-1-8l-bp056-dohc-16-intake-34mm-stainless-race-master-valves","provider":"Garage 56 Engineering ","version":"1.0","type":"link"}