You are purchasing a BRAND NEW BOLT ON oil pan for 88-95 Honda D Series engines. This pan has been drilled and a -10AN fitting TIG welded to it.
Direct fitment for these engines:
D15B1
D15B2
D16A6
D15B5
D15B6
D15B7
D15B8
D15Z1
D16Z6
This pan may fit other D series engines provided you swap the oil pump and pickup tubes.