From the KYB catalogue:
Parts for the front axle
Part No Part
332025 Excel-G
332060 Excel-G
632011 Premium
632078 Premium
Parts for the rear axle
Part No Part
341056 Excel-G
441043 Premium
Can use either with the standard springs (Premium is normal, Excel G is "gas"). I've got the Excel Gs with 35mm drop and they are fine, but some find the ride a bit hard.