I have one of the $30 B&M gauges that screw right on top of the fuel filter that I used to have on my SI. I assume it would fit yours.
Problem is finding it......
I should be able to dig it up one day this week if you still need one.
Let me know.
------------------
Charles
89 240sx - 14.089@100.64(2.380) 14.139@102.81(2.36
00 EBP Civic SI -15.685@88.07 (2.360)