Name: Honda TRX 400EX 416cc Big Bore Kit | 1999–2015 | Complete Rebuild Kit
Brand: AZ
SKU: 3P-416-RK-1
Price: 1106.0 CAD
Availability: InStock

Honda TRX 400EX 416cc Big Bore Kit | 1999–2015 | Complete Rebuild Kit

$1,106.00

Shipping calculated at checkout.

Select Year of ATV

1999-2004

2004-2015

Select Piston Kit

CP Carrillo 11:1 Compression (Pump Gas) Part #M1122

CP Carrillo 12.5:1 Compression (Race Gas) Part #M2008

JE 10.8:1 Comp (Pump Gas) Part #133889

JE 12:1 Comp (Race Gas) Part #199656

More payment options

🔥 Honda TRX 400EX / 400X Big Bore Rebuild Kit – 87mm – Complete Top & Bottom End (1999–2015)
Bolt-On Performance Kit – Crank, Piston, Cylinder & Gaskets

Part #: 3P-416-RK
Starting from $779.99

Give your 400EX or 400X new life with this all-in-one 416cc rebuild kit! Designed to bolt directly onto your engine with no machining required, this kit increases power, reliability, and performance whether you’re trail riding or racing.

What’s Included:

Brand New 87mm Cylinder
87mm CUSTOM Forged Piston Kit (Select JE, Wiseco, or CP at checkout)
Hotrods Heavy Duty Crankshaft w/ Rod
Hotrods Heavy Duty Main Bearings
Complete Gasket Set

Key Features: 🔧
✅ Bolt-On Installation – No machining required
✅ Works with Stock or Modified Head
✅ Compatible with Pump or Race Gas
✅ Heavy-Duty Components – Built for long-lasting performance
✅ Full Manufacturer Warranties Apply

Fitment:
✔️ Honda TRX 400EX / TRX 400X – All Years (1999–2015)
❌ Will not fit other models outside this range

Why Choose This Kit?
Built to restore or upgrade your engine the right way. Perfect for riders who want more displacement, reliability, and peace of mind all in one package. Run hard, ride longer.

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 TRX 400EX 416cc Big Bore Kit | 1999–2015 | Complete Rebuild Kit

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