2 x Rear Lowered Leaf Springs (not Bilstein). IRELAND, ROI, CHANNEL ISLES, AND SCOTTISH ISLES. 2 x Bilstein lowered front sports springs. For Transit Custom 2012 2020. Once you have fitted these the gap between the middle of the centre cap and the underside of the wheel arch will be 38cms on the front and 40cms on the rear or very close to.