Yamaha Raptor/ Warrior 350 Big Bore Top End Kit 85mm JE Piston Cometic Gaskets!!

🔥 Yamaha Raptor / Warrior 350 Big Bore Top End Kit 85mm JE Piston + Cometic Gaskets 🔥

💪 Premium Forged Performance – Built to Dominate

Upgrade your Yamaha Raptor 350, Warrior 350, Grizzly 350, Bruin 350, Wolverine 350, and Big Bear 350 with this complete JE Forged Big Bore 85mm Top End Kit. Featuring a high-compression piston, Cometic gaskets, and Viton valve stem seals, this kit delivers unmatched power, strength, and reliability for trail riding, racing, or everyday use.

⚡ What’s Included in This Kit

Everything you need for a proven performance rebuild is included:

• 🏁 JE Forged Piston Kit – 85mm bore, 10.5:1 compression.
• 🔧 Cometic Top End Gasket Kit – precision sealing technology.
• 🔥 Viton Valve Stem Seals – high temp durability under racing conditions.
• 🇺🇸 100% Made in USA – engineered, forged, and machined for performance.
• ✅ Direct OEM replacement – replaces Yamaha OEM part numbers listed below.

✅ Perfect Fit & OEM Replacement

This kit is designed to directly replace Yamaha part numbers: 5UH-11638-00-00, 5UH-11636-00-00, 5UH-11631-00-C0, 1YW-11638-01-00, 1YW-11636-01-00, 1YW-11631-01-Y0, 1UY-11638-01-00, 1UY-11636-01-00, 1UY-11631-01-Y0, 4KB-11351-00-00, 3GD-11351-00-00, 1UY-11181-01-00, 1UY-11181-00-00. Engineered with JE’s Forged Side Relief (FSR) design, this piston minimizes friction, improves rev response, and maximizes power delivery.

• Fits Yamaha Raptor 350 (2004–2013).
• Fits Yamaha Warrior 350 (1987–2004).
• Fits Yamaha Grizzly 350 (2007–2014).
• Fits Yamaha Bruin 350 (2004–2006).
• Fits Yamaha Wolverine 350 / Big Bear 350 / Moto 4 350 (multiple years).

❓ Frequently Asked Questions (FAQ)

• Q: Is this piston forged or cast?

  This is a JE Forged Piston, engineered from 2618 aluminum for racing strength and reliability.

• Q: Does this kit include everything for the top end?

  Yes – it includes the piston kit, Cometic gaskets, and Viton valve seals for a complete top end rebuild.

• Q: Will this work with stock OEM cylinders?

  Yes – this piston will fit any 85mm OEM and aftermarket big bore cylinders.

• Q: Where is this piston made?

  It is 100% Made in the USA, backed by JE’s manufacturer warranty.

🌟 Why Buy from BPRATV? Your Yamaha Performance Experts! 🌟

At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. This Yamaha Raptor / Warrior 350 JE Piston & Cometic Gasket Kit exemplifies our dedication to providing high-quality, essential components that guarantee your machine's longevity and peak performance. Trust BPRATV to deliver the parts you need to keep your Yamaha running flawlessly, whether for racing, trail riding, or everyday use.

Upgrade your Yamaha 350 today – ride harder, faster, longer! 🏁

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

BRAPPPPPPPPPP!

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