Honda TRX400EX 400EX 89mm 89 Big Bore Wiseco Piston Rings Set COMETIC Gasket Kit

Honda TRX400EX 89mm Wiseco Piston Rings + Cometic Gasket Kit

Restore Power & Reliability

This premium top-end refresh package combines Wiseco 89mm piston replacement rings with a precision-engineered Cometic gasket kit to restore compression, reduce blow-by, and bring your Honda back to peak performance. Designed exclusively for 89mm Wiseco pistons, this set provides a dependable seal and OEM-level fitment every time.

⚠️ THESE PISTON RINGS FIT WISECO PISTONS ONLY

- Pistons are not included.

- Please confirm that you are using a Wiseco piston before purchasing. If you are unsure, feel free to contact us — we are always happy to help.

- A restocking fee will apply if the rings have been opened or if any installation attempt has been made.

- Returns related to verified manufacturing defects will be handled appropriately and will not incur restocking fees.

We appreciate you taking the time to read this.

🔥 Key Features & Benefits

Built for riders who demand reliable sealing, crisp compression, and long-lasting durability from every rebuild.

• Precision-made Wiseco 89mm piston rings for maximum sealing efficiency
• Cometic MLS gaskets deliver superior protection against leaks
• Restores like-new performance with reliable compression improvement
• Ideal for full top-end rebuilds with OEM-grade fitment
• Race-proven materials built to withstand high-heat, high-RPM environments

✅ Compatibility

This kit fits the following vehicles and specific Wiseco piston models.

• Honda TRX400EX
• Honda 400EX / 400X
• Honda XR400
• Wiseco Piston #4794M08900
• Wiseco Piston #4667M08900

❓ Frequently Asked Questions (FAQ)

• Q: Are pistons included?

  A: No. This listing includes replacement rings and Cometic gaskets only.

• Q: Will these rings fit non-Wiseco pistons?

  A: No. These rings are made exclusively for 89mm Wiseco pistons and will not fit OEM or other aftermarket pistons.

• Q: Is this the correct size for big bore setups?

  A: Yes, this is the 89mm size used for Wiseco big-bore top-end configurations.

• Q: Is there a restocking fee?

  A: Yes. Due to frequent misuse, opened ring sets cannot be returned without an applicable restocking fee.

🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟

At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. Every component we offer is selected for durability, precision, and maximum reliability. Whether you're rebuilding a Honda TRX400EX or refreshing your XR400, we ensure you get race-ready products backed by proven industry experience. Trust BPRATV to keep your Honda running at its best, every single time.

Rebuild your Honda the right way — upgrade with Wiseco + Cometic today!

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

BRAPPPPPPPPPP!

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