Powerflex rear anti-roll bar bush kit for a 21mm bar, please measure before ordering.
The number of bushes in this kit is x2; this is the required amount to upgrade both D-bushes on the rear anti-roll bar.

To fit:
911 (996) 1997-2005
Boxster (986) 1997-2004
Boxster (987) 2005-2012
Cayman (987C) 2005-2012

Benefits of replacing your vehicles OE rubber suspension bushes with Polyurethane are:
-Better road holding
-Constant steering geometry
-Increased tyre life
-More responsive steering & handling
-Longer service life of suspension components