Wiseco Valve Kit Yamaha YFZ450R/X WR450F YZ450F Gas Gas EC450F
Wiseco Valve Kit – Yamaha YFZ450R / YFZ450 / WR450F / YZ450F | Gas Gas EC 450F
🛠️ Description
Refresh your engine’s top end with the Wiseco Valve Kit. This complete package includes matched intake and exhaust steel valves with precision-calculated springs, giving you a reliable OEM-quality solution that extends service life. Perfect for Yamaha YFZ450 performance quads and WR/YZ off-road bikes, as well as Gas Gas EC 450F models. Designed for durability, the kit also includes moly paste for cam lobes and buckets to ensure proper break-in.
✅ What’s Included
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Intake and Exhaust Steel Valves
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Matched Valve Springs (intake and exhaust)
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Precision retainers and keepers
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Moly paste for cam lobes and buckets
📦 Fitment
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2009–2024 Yamaha YFZ450R
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2004–2009 Yamaha YFZ450
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2003–2015 Yamaha WR450F
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2003–2009 Yamaha YZ450F
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2013–2015 Gas Gas EC 450F
🛡️ Warranty Info
Wiseco Garage Buddy kits are backed by the manufacturer’s limited warranty against defects in materials and workmanship. Warranty does not cover damage from improper installation, tuning, or racing applications.
🔑 Key Features
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Complete kit for intake and exhaust valves
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Steel valves paired with precision-calculated springs
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OEM-quality construction from leading suppliers
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Extended service life for reliability under hard use
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Includes moly paste for proper break-in lubrication
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Ideal for rebuilds or preventative maintenance
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.