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YFZ450R 09-25 YZ450F 06-09 KPMI Valve Kit Intake Exhaust Stainless Red Seals OEM

80-80213T, 80-80217T, 80-80215T, 80-80213H, 80-80215H, 80-80217H, 80-80206, 71014-5, 5TA-12111-00-00, 5TA-12121-00-00, 5TA-12121-00-00, 33M-12119-00-00, 5TA-12111-00-00, 71014-4, 71014, 700-100014, 5TA-12111-00-00 5TA-12112-00-00,1AA-12118-00-00 1WG-12118-00-00 33M-12119-00-00, 5TA-12111-00-00 5TA-12112-00-00 5TA-12121-00-00, 5TA-12121-00-00 3GM-12126-00-00 5TJ-12113-00-00, 5TJ-12114-00-00 5BE-12117-00-00 4GY-12117-00-00, 80-80206, 80-80213H, 80-80215H, 80-80217H, 71014-5, 80-80715

🔥 YFZ450R '09-25 / YZ450F '06-09 / WR450F '07-15 White Diamond Valve Kit + KPMI RED Seals 🔥

🛠️ Product Overview

Refresh your Yamaha 450-cc engine with Kibblewhite White Diamond™ stainless-steel intake, center-intake, and exhaust valves teamed with legendary KPMI® RED Viton® stem seals. EV8 one-piece stainless valves shed weight yet out-last OEM titanium, while the high-temp RED seals deliver leak-free reliability no matter how hard you ride.

✅ What’s Inside

Complete 5-Valve Set – 2 outer intake, 1 center intake, 2 exhaust
KPMI RED Viton Valve-Stem Seals – 5 pcs, extreme-heat rated
95 mm MLS Head Gasket – Stock bore friendly sealing (To request the YFZ450 carb model head gasket, please message us after your purchase, and we'll swap it for you.)
Direct OEM Replacement – swaps straight in for Yamaha OEM P/N 5TA-12111-00-00, 5TA-12112-00-00, 5TA-12121-00-00, 33M-12119-00-00 & more
All items brand-new, factory-boxed, backed by KPMI & BPRATV warranty

Advantage	What It Means for You
EV8 Stainless 1-Piece Valves	Stronger & longer-lasting than OEM titanium at high RPM
360° Hard-Chrome Finish	Reduces stem friction for stable lash & smoother revs
RED Viton Seals	Stay pliable in extreme heat; stop oil blow-by
Improved Airflow	Lighter tulip profile boosts CFM → more HP & torque
Drop-In Fitment	No machining—bolt in, set lash, ride

🚚 Model Fitment

YFZ450R / YFZ450X (EFI) — (2009-2025)
YZ450F — (2006-2009)
WR450F — (2007-2009, 2011-2015)

YFZ450 All Years - To request the YFZ450 carb model head gasket, please message us after your purchase, and we'll swap it for you.

❓ FAQs

Need new springs? – Stock cams & RPM work with OEM springs; aggressive cams pair best with KPMI lightweight race springs.
Replace titanium valves? – Yes, these drop right in without seat changes.
Pump-gas friendly? – Absolutely; compression stays stock.
Break-in tips? – Set lash cold, run one heat cycle, re-check lash.

🌟 Why Buy from BPRATV?

The Best Parts. The Best Performance. The Best Price.
Fast shipping, tech support, and industry-leading warranties on every order.

Ready to unleash your Yamaha’s full potential? Get it Now and feel the power! 🏁

Photos Are For Example Only Images show product quality, components, and visual reference. Exact parts, brands, finishes, quantities, or packaging may vary by kit. Please read the full product description for exact details before purchasing.

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Professional installation by a qualified technician is recommended for best results.

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Notice Regarding Photos: Product photos used in our listings are for example only to show item quality, components, and visual reference. You will receive the correct quantity, size, and fitment for the specific kit listed. Exact brands, finishes, packaging, or small components may vary when equivalent-quality parts are used. Please read the full product description for exact details before purchasing.

Bearing Notice: In some cases, you may receive sealed bearings. If your application requires an open bearing, the seals can be removed when appropriate for the application.

Emissions & Race Use Only: Some products may be exempt from emission standards and requirements under 40 C.F.R. § 1051.620 and/or applicable California law. Certain parts are sold only for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition/racing. Installation may void the vehicle manufacturer's warranty and/or may be illegal in some locations. Buyer is responsible for confirming legal use in their application and location.

Warranty & Liability: Due to the nature of high-performance and racing applications, components may be sold without express or implied warranty of merchantability or fitness for a specific purpose except where specifically stated. BPRATV LLC shall not be liable for special, incidental, or consequential damages including loss of property, equipment, profits, or revenue resulting from sale, installation, or use of these parts. High-performance parts are not DIY items; work should be performed by a qualified, experienced mechanic.

Returns: Returns are accepted within 30 days for eligible items that are 100% complete, brand new, unused, uninstalled, and in original packaging. Items that have been installed, prepped, lubricated, sealed, modified, or used are not eligible. For warranty consideration, parts must be sent back for physical inspection. We do not warranty based on photos, emails, or third-party assessments.

Specialty Warranties: Certain specialty items, such as Cub cylinders or titanium fasteners, may have separate warranty terms. Any warranty does not cover improper tuning, installation, maintenance, or misuse.

Interchangeable Parts: Some kits may include interchangeable components or equivalent-quality substitutions to prevent backorder delays. Prices, included items, and listings are subject to change without notice.

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