Namura OEM Size Piston Ring Set For Honda 300ex (1993-2009) – 74mm Standard Bore

Rebuilding the top end on your Honda 300ex?

This is a brand new set of piston rings from Namura.

They're the standard OEM size at 74mm, so they're perfect for a stock bore cylinder.

They fit the 300ex models from 1993 all the way through 2009.

The manufacturer part number is NA-10002R.

Whether you're refreshing an old motor or just replacing worn rings, these are a solid, reliable choice for your 4-stroke ATV engine.