Portflow valve springs.
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Joined: Feb 2002
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Portflow valve springs.
portflow offer's the portflow inner valve springs and the ITR outer valve springs for about 160$.. could anyone vouch for them? are they a reliable company? what is the max rev for this set up? thanks.
Junior Member
Joined: Jul 2001
Posts: 817
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From: Los Angeles, ca
Re: Portflow valve springs. (JDMchris)
Portflow products are one of the best you can get. You can rev up to 9500rpm with that setup without any problems. I know people who are doing it and it runs fine.
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Joined: Jan 2000
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From: Austin, TX, USA
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