Namura Top End Rebuild Kit – Honda TRX400EX / XR400R / TRX400X (11:1, Std Bore 84.97mm)
Namura Top End Rebuild Kit – Honda TRX400EX / XR400R / TRX400X (11:1, Std Bore 84.97mm)
Upgrade your Honda 400cc engine with this high-compression Namura Top End Rebuild Kit. Designed for serious riders, this 11:1 compression kit offers increased performance and durability with a stock bore of 84.97mm. Ideal for riders looking to restore lost power or squeeze more out of their build without major mods.
What’s Included:
-
MOS2-coated piston (84.97mm STD bore, 11:1 compression)
-
Piston rings
-
Wrist pin
-
Circlips
-
Top end bearing
-
Complete top end gasket kit
Fitment:
-
Honda TRX400EX Sportrax: 1999–2009
-
Honda XR400R: 1996–2004
-
Honda TRX400X: 2012–2014
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!
