Ron240zxt Posted February 2, 2003 Share Posted February 2, 2003 I have a question that maybe you can help me with, I noticed that the valve stems on the ones purchased are slightly longer then the factory valve stems, Is there a advantange on running a valve with a longer stem then the shorter ones? Also if my intake valves are shorter, then the exhaust valves would this hinder the performance of the vehicle. thanks Ron Quote Link to comment Share on other sites More sharing options...
Synlubes Posted February 2, 2003 Share Posted February 2, 2003 Ron, Did you get valves for a 280 or a 280ZX(P-90)head? The valves for the P series heads are shorter than the "other" 280 valves. Quote Link to comment Share on other sites More sharing options...
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