{"product_id":"manley-00-03-subaru-wrx-ej20-04-sti-exhaust-32mm-stainless-extreme-duty-valve","title":"Manley Extreme Duty Exhaust Valves – 2000-2003 Subaru WRX (EJ20) \/ 04 STI Exhaust | Part #11137-1","description":"\u003cp\u003eFor 2000-2003 Subaru WRX (EJ20) \/ 04 STI Exhaust cylinder-head work, this Manley Extreme Duty exhaust valve listing groups the available dimensional choices under one application-specific product family. The parent listing is distinguished by \u003cstrong\u003ePart #11137-1\u003c\/strong\u003e, which should be cross-checked against the rest of the engine combination.\u003c\/p\u003e\u003cp\u003eThe correct 2000-2003 Subaru WRX (EJ20) \/ 04 STI Exhaust 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 2000-2003 Subaru WRX (EJ20) \/ 04 STI Exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManley Series:\u003c\/strong\u003e Extreme Duty\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 Part #11137-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 11137-1\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\u003eValve fitment should be verified from the cylinder head itself; check the required head size, stem size, overall length, seat work, and valvetrain geometry rather than relying on engine name alone.\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":50184542093562,"sku":"MAN11137-1","price":68.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/fec5f7dba71aff461c53f7b003c4211fL.jpg?v=1787802048","url":"https:\/\/lgcracing.com\/products\/manley-00-03-subaru-wrx-ej20-04-sti-exhaust-32mm-stainless-extreme-duty-valve","provider":"Legacy Racing","version":"1.0","type":"link"}