Jan 27, 2015 ... Do 041 heads with hardened valve seal just leak more as they may be positive
..... What umbrella type valve seals do Felpro do, if any, for a 53 ...
In most types of reciprocating engines, a valve guide is provided for each poppet
valve in the ... head into the intake and exhaust manifolds. Modern engines are
fitted with valve stem oil seals whi...
www.ask.com/youtube?q=What do valve seals do?&v=OVMbFA8cy-E
May 5, 2012 ... Thought I'd take a moment to post a how-to guide. Got the head off your engine
for any reason? Head gasket kits usually come with a new set ...