YFZ450 YFZ 450 Valves KPMI Stainless Steel Conversion Intake Exhaust Valve Kit

Revolutionize Your Ride: Kibblewhite White Diamond Intake & Exhaust Valve Kit w/ Legendary KPMI Red Viton Seals for Yamaha 450cc Models!

Unleash the Full Power of Your Yamaha 450 with Premium Kibblewhite Performance Components

Take your Yamaha to the next level with this ultimate valve and seal kit from Kibblewhite Precision Machining International (KPMI). Designed to outperform OEM parts at a fraction of the cost, this top-end upgrade is built for riders who demand more.

Compatible Yamaha Models and Years:

- **Yamaha YFZ450 Carb Models**: Fits years 2004–2013.  

- **Yamaha YFZ450R & YFZ450X (Fuel-Injected Models)**: Fits years 2009–2025.  

- **Yamaha YZ450F Dirt Bikes**: Compatible with years 2003–2009.  

- **Yamaha WR450F Dirt Bikes**: Fits years 2003–2015.  

Ensure compatibility by checking your specific model and year before purchase.

Engineered for Peak Performance:

• White Diamond (Intake, Center Intake, and Exhaust Valves): Lighter and stronger than stock, these valves are designed to improve airflow, enhance durability, and give your engine the edge it deserves.
• KPMI High-Temp RED Seals: Forget blue seals from other kits you'll see advertised – these red seals are built for extreme heat and deliver unmatched sealing performance, ensuring reliability in even the toughest conditions.
• Direct OEM Fit: No modifications required – just a seamless fit and performance boost.

Why Choose This Kit?

• All-American Quality: Every component is proudly made in the USA with precision and attention to detail.
• Factory Fit. Race-Grade Performance: Whether you’re tearing up the trails or hitting the track, this kit offers better-than-OEM performance for less money.
• More Power, More Torque: Refresh your Yamaha's top end and finally feel the horsepower your bike was built for.

What’s Included?

• Full Intake & Exhaust Valve Set (5 valves total)
• KPMI Red Viton Seals for peace of mind under pressure - You will receive KPMI RED SEALS, not blues.—engineered to stand up to high temperatures and deliver superior sealing capabilities.

Direct Yamaha OEM Replacement for Part # 5TA-12111-00-00 5TA-12112-00-00 5TA-12121-00-00 5TA-12121-00-00, 33M-12119-00-00, 5TA-12111-00-00

Don’t settle for stock. Invest in a top-end rebuild that maximizes performance and durability with these race-ready valves and Red Viton Seals.

Grab your Kibblewhite White Diamond Valve Kit today and experience the thrill of riding an Yamaha at its finest.

Note: These valves are intended as O.E.M. replacement valves and are completely compatible with the O.E.M. spring kits. However, experienced engine builders, who are running aggressive camshafts or higher than factory RPMs may find the combination of the O.E.M. Style Valve and KPMIs Lightweight Racing Spring Kits advisable.

📦 Ships Fast. Stock Limited!