<B>Competition Cams 505-16 3/8" Valve Stem Diameter Positive Stop Valve Stem Oil Seal Review</b><P>http://tinyurl.com/nobwj3m <P><P> Competition Cams 505-16 3/8" Valve Stem Diameter Positive Stop Valve Stem Oil Seal <P>Work with .530 inch guides and 3/8 inch valve stem diameter<P>Valve stem oil seals keep unwanted oil from entering the combustion chamber<P>Several different types of valve seals are offered<P>
