{"product_id":"hot-cams-hot-cams-8400009-2-intake-valve-steel-2003-2008-arctic-cat-kawasaki-kfx-400-8400009-2","title":"HOT CAMS Hot Cams 8400009-2 Intake Valve Steel 2003-2008 Arctic Cat \u0026 Kawasaki KFX 400 8400009-2","description":"\u003ch3\u003ePrecision Engineered Performance for Your Top End\u003c\/h3\u003e\n\u003cp\u003eWorn valves are the leading cause of hard starting and lost horsepower in high-performance 4-stroke engines. The Hot Cams 8400009-2 Replacement Intake Valve, available at Moto-House MX, is a premium forged one-piece solution designed to restore your engine's factory performance. Engineered to meet or exceed OEM specifications, this valve provides a durable and reliable seal, ensuring your 400cc powerplant maintains maximum compression and efficiency on every ride.\u003c\/p\u003e\n\u003cp\u003eEvery Hot Cams valve is built for longevity and extreme racing conditions. This intake valve features a high-tech nitride coating and a precision-polished surface to reduce friction and carbon buildup. The valve stem tip is induction-hardened for superior wear resistance against the rocker or shim, while the valve head and seat surfaces are precision-machined to a 45° angle for an airtight fit. Fully compatible with your OEM valve keepers and retainers, this valve is the ultimate choice for a high-quality top-end rebuild.\u003c\/p\u003e\n\u003ch3\u003eTop Features: Hot Cams 8400009-2 Intake Valve\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNitride Coated Steel:\u003c\/b\u003e Provides a hard, low-friction surface that resists heat and extends the life of the valve guide and seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eForged One-Piece Design:\u003c\/b\u003e Superior structural integrity compared to multi-piece valves, preventing head separation under high stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInduction Hardened Tip:\u003c\/b\u003e The stem tip is hardened to resist mushrooming and wear from constant valve train impact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Machined 45° Seat:\u003c\/b\u003e Ensures a perfect seal against the cylinder head for optimal combustion and power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Compatibility:\u003c\/b\u003e Designed to work seamlessly with factory retainers, keepers, and springs for a hassle-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpert Pro-Tip\u003c\/h3\u003e\n\u003cp\u003eWhen installing new valves, always lap the valve to the seat using a fine-grit grinding compound to ensure a perfectly airtight seal before final assembly.\u003c\/p\u003e\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eVehicle Brand\u003c\/th\u003e\n\u003cth\u003eVehicle Model \u0026amp; Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2000-2024\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eDR-Z400 \/ S \/ SM \/ E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2014\u003c\/td\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eLT-Z400 QuadSport Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2006\u003c\/td\u003e\n\u003ctd\u003eKawasaki\u003c\/td\u003e\n\u003ctd\u003eKFX400 \/ KLX400 \/ R \/ SR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2008\u003c\/td\u003e\n\u003ctd\u003eArctic Cat\u003c\/td\u003e\n\u003ctd\u003eDVX 400 \/ TS\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 an intake or exhaust valve?\u003c\/b\u003e\u003cbr\u003eA: This specific part number (8400009-2) is for the intake side of the cylinder head.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Do I need to replace my valve springs when I install this?\u003c\/b\u003e\u003cbr\u003eA: While not always mandatory, we highly recommend inspecting your springs for sagging and replacing them if they are out of service spec to ensure proper valve closing at high RPM.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Can I use my stock valve keepers with this valve?\u003c\/b\u003e\u003cbr\u003eA: Yes, these valves are designed to be fully compatible with OEM keepers and retainers.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eClosing CTA:\u003c\/b\u003e Get your engine back to peak performance. Buy the Hot Cams 8400009-2 Intake Valve now at Moto-House MX.\u003c\/p\u003e\n\u003cp\u003eStop by our local store in Montverde, FL or lightning-fast shipping across the USA.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMoto-House MX – Choice of Champions\u003c\/b\u003e – is located in Clermont\/Montverde, FL. The Best Motocross\/UTV \u0026amp; ATV Shop in Central Florida.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HOT CAMS","offers":[{"title":"Default Title","offer_id":44504539463763,"sku":"8400009-2","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/e805-5ceeaa0318f9f.jpg?v=1776466286","url":"https:\/\/motohousemx.com\/products\/hot-cams-hot-cams-8400009-2-intake-valve-steel-2003-2008-arctic-cat-kawasaki-kfx-400-8400009-2","provider":"Moto-House MX","version":"1.0","type":"link"}