The following is very slow, presumably because of my use of IN

Select * From KTrackTagDetail							;
	where (Seqno In (Select Seqno From C_Kits)			;
	or SeqnoFG In (Select Seqno From C_Kits))			;
	and Left (RecordType,2) # 'AP'						;
	into Cursor C_Detail

So, how can I speed this up?

Thanks