{"product_id":"hot-cams-8400009-1-exhaust-valve-suzuki-dr-z400-lt-z400-kfx400","title":"Hot Cams 8400009-1 Exhaust Valve Suzuki DR-Z400 LT-Z400 KFX400","description":"\u003ch3\u003eExtreme Durability for High-Heat Exhaust Cycles\u003c\/h3\u003e\n\u003cp\u003eThe exhaust valve is one of the most stressed components in your engine, constantly subjected to scorching gases and high-RPM vibration. The Hot Cams 8400009-1 Replacement Exhaust Valve, available at Moto-House MX, is engineered to thrive in these punishing conditions. This forged one-piece OEM replacement is designed to meet or exceed factory standards, providing a precision seal that restores lost power and ensures your 400cc engine runs as efficiently as the day it left the showroom.\u003c\/p\u003e\n\u003cp\u003eEvery Hot Cams valve is built with advanced metallurgy for long-term performance. This exhaust valve features a high-tech nitride coating that creates a low-friction surface to resist carbon buildup and heat-related wear. The valve stem tip is induction-hardened to prevent mushrooming under constant impact from the valve train, while the 29mm head is precision-machined to a 45° seat angle for an airtight seal. Compatible with your original valve keepers and retainers, this valve is the high-performance choice for any serious top-end rebuild.\u003c\/p\u003e\n\u003ch3\u003eTop Features: Hot Cams 8400009-1 Exhaust Valve\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNitride Coated Steel:\u003c\/b\u003e Advanced surface treatment provides superior hardness and heat resistance compared to standard steel valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eForged One-Piece Construction:\u003c\/b\u003e Maximizes structural integrity and prevents the valve head from separating under high thermal stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInduction Hardened Stem Tip:\u003c\/b\u003e Hardened to resist wear and pitting, ensuring consistent valve clearances over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Polished Surface:\u003c\/b\u003e Reduces friction within the valve guide for smoother operation and reduced drag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Standard Compatibility:\u003c\/b\u003e Fully compatible with factory springs, retainers, and keepers for a direct-fit installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpert Pro-Tip\u003c\/h3\u003e\n\u003cp\u003eWhen replacing an exhaust valve, always check the valve guide for excessive play; a worn guide will cause the new valve to seat incorrectly and fail prematurely.\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 part number (8400009-1) is specifically for the exhaust side. For the matching intake valve, look for part number 8400009-2.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Do I need to cut my valve seats?\u003c\/b\u003e\u003cbr\u003eA: We highly recommend having a machine shop inspect and, if necessary, re-cut the valve seats to ensure the new 45° valve face seals perfectly.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What material is this valve made of?\u003c\/b\u003e\u003cbr\u003eA: It is manufactured from high-grade forged steel with a protective nitride coating for enhanced durability.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eClosing CTA:\u003c\/b\u003e Ensure a perfect seal and maximum power. Buy the Hot Cams 8400009-1 Exhaust 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":44504539430995,"sku":"8400009-1","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/c40a-5ceeaa0295c36.jpg?v=1776466279","url":"https:\/\/motohousemx.com\/products\/hot-cams-8400009-1-exhaust-valve-suzuki-dr-z400-lt-z400-kfx400","provider":"Moto-House MX","version":"1.0","type":"link"}