Kibblewhite +1mm Stainless Valve Kit Fits Yamaha YFZ450R/X YFZ450 YZ450F WR450F
Upgrade your Yamaha 450 engine with Kibblewhite !mm White Diamond Stainless Valves and RED Viton Seals. Fits YFZ450, YFZ450R, YZ450F, and WR450F models. Premium performance from BPRATV.
Yamaha YFZ450 / YFZ450R +1mm Kibblewhite White Diamond Stainless Valves & Seals Kit
🔥 Premium Oversize Valve Upgrade
Upgrade your engine with Kibblewhite White Diamond +1mm Stainless Steel Valves — the industry’s top-performing, race-ready valve solution. This complete 5-valve set delivers increased airflow, enhanced durability, and long-term reliability for Yamaha performance engines.
📦 What’s Included in This High-Performance Kit
Every kit includes premium U.S.A.-made components designed to outperform OEM parts at a fraction of the cost.
- Kibblewhite White Diamond +1mm Stainless Steel Intake & Exhaust Valves (All 5)
- Kibblewhite One-Piece Forged Valve Construction
- High Temp RED Viton Valve Stem Seals (Superior to OEM and non-Kibblewhite kits)
- Includes Genuine KPMI RED Viton Stem Seals (no bait-and-switch blues!).
- Direct OEM replacement for multiple Yamaha valve part numbers
- Designed for use with Kibblewhite Valve Springs (Part # 80-80206)
✅ Compatibility
Engineered to fit a wide range of Yamaha 450cc performance models. Full fitment list below:
- Yamaha YFZ450 (Carbureted) — 2004–2013
- Yamaha YFZ450R / YFZ450X (Fuel Injected) — 2009–2024
- Yamaha YZ450F — 2003–2009
- Yamaha WR450F — 2003–2015
❓ Frequently Asked Questions (FAQ)
- Q: Do these valves require machining?
A: Yes. Valve seats must be machined for proper installation. We offer this service — contact us for details.
- Q: Are the RED Viton valve seals included?
A: Yes. You will receive genuine Kibblewhite RED Viton stem seals, not generic non-Kibblewhite seals.
- Q: Are these valves stronger than OEM?
A: Absolutely — the White Diamond Stainless construction is significantly more durable and heat-resistant than stock.
- Q: Are Kibblewhite valve springs required?
A: Yes. These valves must be paired with Kibblewhite Springs Part # 80-80206 for correct performance and reliability.
🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟
At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. We supply only premium components like Kibblewhite to ensure your Yamaha 450 platform runs stronger, lasts longer, and performs at its peak. Trust BPRATV to keep your Yamaha YFZ450, YFZ450R, YFZ450X, YZ450F, and WR450F running at its best, every single time.
Boost your engine’s power and reliability — upgrade to Kibblewhite performance today!
BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
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