This is the lower rear bearing pin that fits between the rear of the lower wishbone arm and the back of the front subframe. There are two per car and as they are located below the bell housing so...

This is the lower control arm bushing.   Note: 4 Required per car (Sold Each) 1982-1998 From VIN 4702 onwards  

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 upper damper rubber bush (plain). 1981-1998 Silver Spirit, Sliver Spur, Mulsanne, Turbo R, Pre Arnage, Azure