wcgerms the 1999-2000 Civic Si had B16A3the B16a2 is OBD-1 out of the 1992-1995 Civic's EDM or JDM SiR, also what they call a CRX the del sol, all theses motors arent aviable in the states because we never got SiR's if you check hmotorsonline.com there be more info and they sell motors
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