{"product_id":"manley-subaru-wrx-ej205-sti-ej257-33mm-race-master-exhaust-valve-single","title":"Manley Race Master Exhaust Valves – Subaru WRX EJ205\/STI EJ257 33mm | 33mm Head","description":"\u003cp\u003eBuilt around the requirements of Subaru WRX EJ205\/STI EJ257 33mm, this Race Master exhaust valve family gives engine builders a focused way to select the dimensions their cylinder-head combination calls for. The parent listing is distinguished by \u003cstrong\u003e33mm Head\u003c\/strong\u003e, which should be cross-checked against the rest of the engine combination.\u003c\/p\u003e\u003cp\u003eThe correct Subaru WRX EJ205\/STI EJ257 33mm valve is the one that matches the finished head. Stem clearance, seat contact, installed height, spring package, and keeper location should all be checked during assembly.\u003c\/p\u003e\u003ch3\u003eKey Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Subaru WRX EJ205\/STI EJ257 33mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Race Master\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Position:\u003c\/strong\u003e Exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitle Specification:\u003c\/strong\u003e 33mm Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family Detail:\u003c\/strong\u003e Race Series application focus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 11171-1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Quantity\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSold individually.\u003c\/strong\u003e One valve is supplied per selected SKU. Order the intake or exhaust quantity required for the cylinder-head configuration being assembled. This quantity applies to the selected Manley SKU family shown on this product page.\u003c\/p\u003e\u003ch3\u003eSelection \u0026amp; Fitment Notes\u003c\/h3\u003e\u003cp\u003eUse the finished cylinder-head setup as the authority for selection. Oversize valves or alternate lengths may require machining and can affect installed height and valvetrain geometry.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProfessional engine assembly and measurement are recommended. Product specifications should be confirmed against the selected Manley part number and the requirements of the exact engine build.\u003c\/em\u003e\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":50184544813306,"sku":"MAN11171-1","price":26.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/c6ccd65ebfd1e956c2aff76b8661b6a9L_3f59cee2-3351-4cc3-bdb0-6b75a5fd3ef0.jpg?v=1787802081","url":"https:\/\/lgcracing.com\/products\/manley-subaru-wrx-ej205-sti-ej257-33mm-race-master-exhaust-valve-single","provider":"Legacy Racing","version":"1.0","type":"link"}