This is the rear gas spring with seal (GMF1225) included.   If your car's rear suspension has gone very bouncy and you can feel ever bump in the road, than your gas spring need replacing...

This is the Rubber Mount Final Drive Crossmember for the Rear Subframe. Part no. UR23318 was UR20583 ARNAGEBentley Arnage Green Label (SCBLB51E2YCX04003 - SCBLB51E5YCX05100)

This is the O ring on top of shock. Note:  2 Required Per Car (Sold Each) 1990-1998 From VIN 30001 onwards