Yamaha YFZ450R YFZ 450R/X 98mm 99mm Big Bore Top End Cometic Gasket Kit USA Made

🔥 YFZ450R 98-99mm Big Bore Cometic Top End Gasket Kit C3279 C3178 🔥

🛠️ Unleash Big Bore Power: Seal Your YFZ450R Engine Right with Cometic!

Are you pushing the limits with a big bore or stroker kit on your Yamaha YFZ450R? This Cometic Complete Top End Big Bore Gasket Kit is the professional-grade solution to ensure a perfect, leak-free seal. Engineered specifically for high-performance builds, this kit provides the reliability and durability you need when you're running a 98mm or 99mm cylinder. Trust in Cometic's industry-leading quality to protect your engine's power and performance, whether you're racing or enjoying an aggressive ride.

✅ Precision-Engineered MLS Gaskets: Unmatched Sealing for High-Compression!

This premium kit is designed for uncompromising performance. It features a robust MLS (Multi-Layer Steel) Head Gasket with a 99mm bore, perfectly suited for both 98mm & 99mm cylinders. MLS gaskets are renowned for their ability to handle the extreme pressures and temperatures of high-compression, high-performance engines, providing a seal that won't fail when you need it most. This comprehensive top end kit is a must-have for any serious engine builder or enthusiast, ensuring every component is sealed with confidence. All Cometic gaskets are proudly MADE IN USA, guaranteeing top-tier quality and craftsmanship.

• Cometic Complete Top End Big Bore Gasket Kit for a thorough rebuild.
• Engineered specifically for 98mm & 99mm Big Bore & Stroker Kits.
• Features a durable MLS Head Gasket with a 99mm bore.
• Proudly MADE IN USA for superior quality.
• Replaces a range of Yamaha OEM part numbers for a seamless fit.

📦 Wide-Ranging Compatibility: The Perfect Fit for Your Yamaha!

This versatile Cometic gasket kit is designed for seamless compatibility with Yamaha YFZ450R & YFZ450X Fuel Injected Models ONLY, fitting all years from 2009 to 2025. It also extends its fitment to several dirt bike models, including the Yamaha WR450F (2007-2009, 2011-2015) and Yamaha YZ450F (2006-2009). It's crucial to note that this kit Does Not Fit YFZ450 Carbureted Models, even those with an "R" sticker. 😂 With Part Nos. C3279 and C3178, this kit provides a direct replacement for multiple Yamaha OEM part numbers, making your big bore rebuild straightforward and reliable.

• Fits Yamaha YFZ450R & YFZ450X Fuel Injected Models ONLY (2009-2025).
• Also fits Yamaha WR450F (2007-2009, 2011-2015) and YZ450F (2006-2009) dirt bikes.
• Does Not Fit YFZ450 Carbureted Models.
• Replaces Yamaha OEM Part #s: 2S2-11181-00-00, 2S2-11351-00-00, 4FM-12213-00-00, 3VD-14613-01-00.

❓ Frequently Asked Questions (FAQ)

• Q: What is the main advantage of an MLS head gasket?

  A: An MLS (Multi-Layer Steel) head gasket provides a stronger, more consistent seal than traditional gaskets, making it ideal for high-compression, big bore applications where a reliable seal is crucial.

• Q: What is the bore size of this gasket kit?

  A: The head gasket has a 99mm bore, which is designed to fit both 98mm and 99mm big bore cylinders.

• Q: Does this kit include valve stem seals?

  A: No, this kit is specifically a top end gasket kit and does not include valve stem seals. We recommend purchasing them separately if needed for your rebuild.

• Q: Is this kit compatible with my YFZ450 Carbureted model?

  A: No, this kit is designed exclusively for the fuel-injected YFZ450R and YFZ450X models. Please ensure your ATV is a fuel-injected model before purchasing.

🌟 Why Buy from BPRATV? Your Authority for Yamaha Performance! 🌟

At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. This Cometic Top End Gasket Kit is the highest quality gasket kit at the best price—so you can spend less money and more time riding. Trust BPRATV to deliver the parts you need to keep your Yamaha YFZ450R performing its best, every single time.

Seal your big bore build right—upgrade to Cometic with BPRATV today! 🏁

BPRATV - The Best Parts. The Best Performance. The Best Price.

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