{"product_id":"420254882-intake-exhaust-valve-guide-for-sea-doo-speedster-310-1503-2008","title":"420254882 Intake Exhaust Valve Guide for Sea-Doo Speedster 310 1503 2008","description":"\u003ch2\u003eIntake or Exhaust Valve Guide for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis intake or exhaust valve guide is a replacement engine component that keeps the valve stem aligned as it opens and closes, cross-referenced to OEM part number 420254882.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis intake or exhaust valve guide for Sea-Doo is a precision-machined sleeve pressed into the cylinder head to keep valve stems moving in a straight line. Proper valve guide clearance is critical for sealing, compression, and overall engine performance in the Sea-Doo Speedster 310 with the 1503 engine. Whether you are refreshing a top end or rebuilding a cylinder head, this valve guide restores factory alignment for both intake and exhaust valves.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined bore for accurate valve stem clearance\u003c\/li\u003e\n\u003cli\u003eDurable construction to resist heat and friction in marine engines\u003c\/li\u003e\n\u003cli\u003eWorks for both intake and exhaust valve positions\u003c\/li\u003e\n\u003cli\u003eCross-referenced to OEM part number 420254882 for direct fitment\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper valve sealing and compression\u003c\/li\u003e\n\u003cli\u003eSuitable for cylinder head rebuild and refresh work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo Speedster 310 with 1503 engine (2008)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCylinder head rebuilds and valve jobs\u003c\/li\u003e\n\u003cli\u003eRestoring top end performance on the Sea-Doo Speedster 310\u003c\/li\u003e\n\u003cli\u003eReplacing worn guides that cause oil consumption or poor sealing\u003c\/li\u003e\n\u003cli\u003eEngine refresh during seasonal maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e420254882\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntake or exhaust valve guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Sea-Doo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpeedster 310 with 1503 engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many valve guides does my engine need? \u003cstrong\u003eA:\u003c\/strong\u003e The 1503 engine uses multiple valve guides across its cylinder head, so check your service manual for the exact count. Order the quantity needed for your specific rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this valve guide myself? \u003cstrong\u003eA:\u003c\/strong\u003e Valve guide installation typically requires pressing and reaming to achieve correct clearance, so professional machine shop work is recommended. Improper installation can lead to valve sticking or oil burning.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51060212105302,"sku":"OO1C02292","price":57.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_139ae683-15d7-42ce-9292-201089bd201d.jpg?v=1794307102","url":"https:\/\/www.solidspare.com\/products\/420254882-intake-exhaust-valve-guide-for-sea-doo-speedster-310-1503-2008","provider":"Solid Spare","version":"1.0","type":"link"}