{"product_id":"moose-offroad-09263478-valve-and-spring-kit-exhaust-yamaha-raptor-660r-moto-house-mx","title":"Moose Offroad Valve and Spring Kit (Exhaust) 0926-3478 — Yamaha Raptor 660R 2001-2005","description":"\u003ch2\u003e\u003cb\u003eMoose Offroad Valve and Spring Kit (Exhaust) 0926-3478 — 2001–2005 Yamaha Raptor 660R\u003c\/b\u003e\u003c\/h2\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe code must immediately start with an tag containing a bolded, definitive title. This heading must explicitly include the vehicle fitment years, make, and model to reassure the customer they are looking at the correct listing. The layout is: [Brand] [Product Name] — [Vehicle Fitment Years] [Vehicle Make] [Model\/Size].\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMoose Offroad\u003c\/strong\u003e Exhaust Valve and Spring Kit 0926-3478 features a premium stainless steel conversion designed to upgrade your Yamaha ATV valvetrain. Engineered to exceed factory specifications, this kit extends component lifespan and improves overall flow dynamics under demanding riding conditions.\u003c\/p\u003e\n\u003cp\u003eBuilt using advanced Finite Element Analysis (F.E.A.) software along with specialized camshaft analysis and spring design tools, every component is rigorously engineered for precision and consistent performance. Manufactured in the USA, this kit provides reliable durability over standard OEM titanium parts.\u003c\/p\u003e\n\u003ch3\u003eTop Features: Moose Offroad Valve and Spring Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures a durable stainless steel conversion.\u003c\/li\u003e\n\u003cli\u003eExtends the lift of the valvetrain and related components by as much as 4 times over OEM titanium parts.\u003c\/li\u003e\n\u003cli\u003eDesigned to flow and perform better than OEM components.\u003c\/li\u003e\n\u003cli\u003eCreated using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software to ensure consistent performance and accurate designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your vehicle before finalizing your purchase.\u003c\/p\u003e\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eVehicle Brand\u003c\/th\u003e\n\u003cth\u003eVehicle Model \u0026amp; Sub-Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2005\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eYFM660R Raptor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2005\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eRaptor 660R SE 4x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eRaptor 660R LE 4x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: Is this kit designed for the intake or exhaust side?\u003c\/b\u003e\u003cbr\u003eA: This kit is specifically engineered for the exhaust valves.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What material are the components made from?\u003c\/b\u003e\u003cbr\u003eA: This kit utilizes a high-durability stainless steel conversion.\u003c\/p\u003e\n\u003ch3\u003eExpert Pro-Tip\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When upgrading to a stainless steel valve and spring kit, always check and adjust your valve clearances carefully during installation. Ensure proper seat pressure is maintained to maximize service life and prevent valve float.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/yamaha-yfm350-raptor-performance-motocross-sport-quads-atv-moto-house-mx\"\u003eYamaha Raptor Sport Quads Performance Parts \u0026amp; Upgrades\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/2-stroke-performance-quads-atv\"\u003eAll Quads\/ATV Performance Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003eMotorcycle Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout Moto-House MX\u003c\/h3\u003e\n\u003cp\u003eAt Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e\u003cstrong\u003eMoto-House MX - Choice of Champions\u003c\/strong\u003e - Your premier powersports source with great customer service and lightning-fast shipping straight to your door.\u003c\/i\u003e\u003c\/p\u003e","brand":"MOOSE OFFROAD","offers":[{"title":"Default Title","offer_id":44414465310803,"sku":"M80-83060","price":202.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/5628837.png?v=1775617589","url":"https:\/\/motohousemx.com\/products\/moose-offroad-09263478-valve-and-spring-kit-exhaust-yamaha-raptor-660r-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}