Honda TRX400EX Stroker Crankshaft Kit – Hot Rods CBK0163 (1999–2004)
Honda TRX400EX Stroker Crankshaft Kit (1999–2004) – Hot Rods CBK0163
🛠️ Description
Take your TRX400EX to the next level with this Hot Rods stroker crankshaft kit. Featuring a +4mm stroke, this upgrade bumps displacement to 460cc when paired with the required Vertex big bore piston. Factory-assembled to OEM specs and fully rebuildable, it’s the go-to choice for riders looking for increased power and reliability.
✅ What’s Included
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Hot Rods +4mm stroker crankshaft assembly
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Main bearing set
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Bottom end gasket set
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Oil seal kit
📦 Fitment
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1999 Honda TRX400EX FourTrax
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2000–2004 Honda TRX400EX Sportrax
🛡️ Warranty Info
Manufacturer’s warranty applies. Returns follow store policy for unused, uninstalled items in original packaging. Please confirm your year, make, and model before ordering.
🔑 Key Features
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+4mm stroke increases displacement to 460cc (with Vertex big bore piston)
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Factory assembled, trued to OEM specs, and ready for installation
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Built with a Hot Rods connecting rod for durability and strength
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Fully rebuildable using genuine Hot Rods components
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4140 steel construction for maximum reliability
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Complete kit includes gaskets, seals, and bearings
⚠️ Notes
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Requires Vertex Forged Big Bore Piston Kit (88.94mm) for proper fitment and performance (sold separately). Search 0910-2636
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Designed for 4-stroke TRX400EX engines only.
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.