Name: Honda 400EX 400X Wiseco Engine Rebuild Kit – 85mm Cylinder
Brand: AZ
SKU: 4606M08500 400EXCYL85 400EX-TEG-1
Price: 629.98 USD
Availability: InStock

Honda 400EX 400X Wiseco Engine Rebuild Kit – 85mm Cylinder

$629.98

Tax included. Shipping calculated at checkout.

Select Year

1999-2004 Part #WPC131A

2005-2014 Part #WPC131B

🔥 Honda TRX400EX & 400X Wiseco Engine Rebuild Kit – 85mm Cylinder | 10:1 Piston | Complete Bottom + Top End 🔥

Complete Engine Rebuild Kit – Reliable, Powerful, Ready to Rip!

Restore and upgrade your Honda TRX400EX or 400X with this all-in-one engine rebuild kit. Featuring Wiseco’s legendary quality and a ready-to-install 85mm cylinder, this kit brings performance and durability together for a seamless top-to-bottom engine overhaul.

✅ What’s Included:

🧱 85mm Big Bore Cylinder (Pre-finished, ready to install)
🛠 Wiseco Bottom End Kit (Crankshaft, rod, bearings, seals & gaskets)
🔥 Wiseco 10:1 Compression Forged Piston Kit (Rings, wrist pin & circlips)
🧩 Cometic Complete Top End Gasket Kit

💥 Key Features:

All parts brand new & in original packaging
Wiseco forged piston – runs on pump or race gas
Strong, reliable OEM-style crank and rod assembly
No machine work or case mods required
Ships within 24 hours – fast worldwide delivery

📦 Compatibility:
Fits all Honda TRX400EX (1999–2008) and TRX400X (2009, 2012–2014) models.
✔ Select your year at checkout for perfect fitment.

Why Choose This Kit?
Whether you're rebuilding after a failure or looking for more power with factory-level reliability, this complete rebuild solution saves time, money, and hassle. No guessing. No mismatched parts. Just performance that lasts.

We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.

We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.

Sold items are removed daily.

If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.

If you call we answer, if you text we respond, if you have a question we respond. Sometimes we sleep so it could be next morning but we will respond.

Thank you for shopping with us! We appreciate you!

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Honda 400EX 400X Wiseco Engine Rebuild Kit – 85mm Cylinder

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