PFR57-106 has been designed to replace the rear trailing arm front bush where the arm locates onto the chassis. These bushes are no longer available from Porsche unless you buy the complete arm at a...
PFR5-1103 is a complete bush that fits into trailing arm bracket OE numbers: 33306799089 33306799090, 33309807099 and 3330980710. For inserts use PFR5-1102 which fit into the original rubber bush.
