Honda Top End Gasket Kit For TRX400EX 400EX 400X XR400 – Fits 85mm To 89mm Bore

Rebuilding the top end of your Honda 400EX, 400X, or XR400?

This is the gasket kit you need.

It's a genuine Honda top end gasket set, made in the USA.

It fits bores from 85mm up to 89mm, so whether you're stock or slightly overbored, these should work.

It includes all the gaskets you need for the cylinder head and cylinder base—everything to seal it back up.

For the TRX400EX, 400X, and XR400 models.

It's a quality kit to ensure your rebuild doesn't leak.

Note the Prop 65 warning, but that's standard for California.

Get your four-stroke thumper back together right.