Honda TRX400EX (1999–2004) Complete Engine Rebuild Kit – Vertex / Wrench Rabbit

Description

🛠️ Rebuild your Honda TRX400EX engine to better-than-stock performance with the Vertex / Wrench Rabbit Complete Engine Rebuild Kit (WR101-194).
This all-in-one rebuild solution includes a precision-balanced Hot Rods crankshaft, a +2.00 mm Vertex piston kit, and every bearing, seal, and gasket needed for a complete professional overhaul. Whether you’re restoring a trail quad or building a high-compression setup, this kit gives you OEM reliability and performance in one package.

What’s Included

✅ Hot Rods Crankshaft Assembly (trued & balanced)
✅ Vertex +2.00 mm Oversize Piston Kit (piston, rings, wrist pin, clips)
✅ Complete Engine Gasket Kit (top & bottom end)
✅ Oil Seal Kit
✅ Main Bearing & Seal Kit
✅ Transmission Bearing Kit
✅ Water Pump Rebuild Kit
✅ Countershaft Bushing & Seal Kit
✅ Cam Chain

Key Features

• 💪 All-In-One Engine Solution: Complete kit for a full rebuild—no need to piece together parts separately

• 🔧 Performance Upgrade: +2 mm piston increases displacement and compression for stronger torque and throttle response

• 🏁 OEM-Level Quality: Vertex pistons and Hot Rods crankshaft built to factory or better tolerances

• 🧰 Professional-Grade Reliability: Perfect for both stock rebuilds and mild performance builds

• ⚙️ Direct Fitment: All components designed for easy installation with OEM specifications

Fitment

📦 Fits the following models:

• 1999 Honda TRX400EX FourTrax

• 2000–2004 Honda TRX400EX Sportrax

Direct OEM replacement for all internal engine components.

Warranty Info

🛡️ Covered under Wrench Rabbit / Hot Rods Limited Warranty.
All parts meet or exceed OEM quality standards. Professional installation recommended.

Price & SKU

💲 Retail Price: $803.95
SKU: 0903-1445 / WR101-194
Estimated Shipping Weight: 17.4 lbs
Handling: Ships next business day