<B>NPR Piston Ring Set - Engine Review</b><P>http://tinyurl.com/mavusuf <P><P> NPR Piston Ring Set - Engine <P>Incorporates piston-ring combination for low friction<P>Uses thinner width compression and oil control rings<P>Advanced surface treatments for high durability<P>High-quality, low-cost materials<P>Optimum design through tuning techniques<P>
