BRAND NEW NAMURA PISTON RING SET. MADE BY RIKEN, THE WORLD'S LARGEST OEM MANUFACTURER OF PISTON RINGS. MEETS OR EXCEEDS OEM SPECIFICATIONS.

FITS: 2007 YAMAHA BIG BEAR 400 4X4 EXPLORING EDITION (Standard 83mm Bore)

WILL FIT OEM YAMAHA, NAMURA, AND OTHER CAST PISTONS THAT ARE THE SAME STYLE AS THE OEM PISTON.

***WILL NOT FIT WISECO PISTONS OR ANY OTHER FORGED PISTON***

*Worldwide Shipping Available!

**All returns must be in original condition, new and unused (just like it was received). A restocking fee (of up to 20%) may apply.**