This insert made by Superflex is a direct fit into your standard lower engine stabilizer mount (SF2426K) to fit any Mini One/Cooper/Cooper S from 02-06 . To fit you simply unbolt the mount, insert the 2 void plugs, and bolt the mount back on they can be removed should you decide to put your car back to standard. Included is the 2 part large polyurethane inserts. Note. this sale is only for the large inset to the left of the mount. The mount itself is not included in the sale or the small insert.