{"product_id":"manley-00-03-subaru-wrx-ej20-04-sti-exhaust-32mm-stainless-race-master-valve-single","title":"Manley Race Master Exhaust Valves – 2000-2003 Subaru WRX (EJ20) \/ 04 STI Exhaust | Part #11155-1","description":"\u003cp\u003eEngine builders working with 2000-2003 Subaru WRX (EJ20) \/ 04 STI Exhaust can use this Race Master exhaust valve family to choose the required valve dimensions while staying within the correct Manley application group. The parent listing is distinguished by \u003cstrong\u003ePart #11155-1\u003c\/strong\u003e, which should be cross-checked against the rest of the engine combination.\u003c\/p\u003e\u003cp\u003eIf the 2000-2003 Subaru WRX (EJ20) \/ 04 STI Exhaust cylinder head has been ported, fitted with oversized seats, or changed from its original valvetrain layout, confirm the required valve measurements after machining rather than using a stock-size assumption.\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 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 Part #11155-1\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 11155-1\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":50184543338746,"sku":"MAN11155-1","price":26.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/c6ccd65ebfd1e956c2aff76b8661b6a9L_8ae808c8-f847-43ee-b42b-ad08a8dbece6.jpg?v=1787802064","url":"https:\/\/lgcracing.com\/products\/manley-00-03-subaru-wrx-ej20-04-sti-exhaust-32mm-stainless-race-master-valve-single","provider":"Legacy Racing","version":"1.0","type":"link"}