What harness you need depends on what ECU your going to use? I'm assuming your planning to use an OBD 0/pre OBD first gen B16A ECU. In that case, you the CRX Si harness and modify it to include the addition sensors and VTEC requirements.
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Andy - Reinstated
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'06 Subaru Legacy Spec B - Stock, for now
'98 Civic EX - CTR headlights and grill, Kosei K1's, for sale
'90 240SX - SR20DET that will never get installed, project car.