TRX400EX TRX 400EX 400X 88mm Big Bore Cylinder 426cc Top End Engine Rebuild Kit

Honda TRX 400EX/X & XR400R 88mm Big Bore Cylinder Kit – Complete 426cc Top-End Rebuild with Premium Performance Parts

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Maximize your Honda 400EX, 400X, or XR400R’s performance with the 88mm Big Bore Cylinder Kit – 426cc Top-End Rebuild, the ultimate upgrade for power-hungry riders. Precision-engineered for all models and years, this complete kit delivers unmatched reliability, durability, and aggressive performance gains without any case or head modifications.

What’s Included in the Kit?

• 88mm heavy-duty big bore cylinder: Built to last under extreme conditions.
• Premium forged piston kit (Wiseco or Wossner): Lightweight, high-strength performance for superior combustion.
• Nitrite-coated piston rings, chrome wrist pin & circlips: Reliable sealing and durability.
• Cometic big bore gasket kit: Comprehensive seal for maximum efficiency, including an MLS head gasket.
• Talon TITANIUM cylinder head stud kit: Backed by a lifetime warranty, built to handle extreme pressure.
• BPRATV heavy-duty cam chain: A perfect match for your high-performance build.

Key Features You'll Love:

✅ Power & Versatility: Boost your engine’s displacement to an impressive 426cc. Runs flawlessly on both pump gas and race fuel.
✅ DIY-Friendly: No need for case or head modifications – hassle-free installation.
✅ Rider Confidence: Durable, high-quality components backed by a 1-Year Warranty for your peace of mind.
✅ Proven Performance: Engineered by BPRATV, your go-to for the best parts, unbeatable performance, and incredible value.

Experience the adrenaline-pumping advantage of a high-performance 426cc engine on your next ride. Whether you’re shredding dunes or hitting the trails, this kit ensures your ATV dominates with power, reliability, and excitement.

Upgrade Today! BPRATV – The Best Parts. The Best Performance. The Best Price. BRAPPPP!