Did you know that some 996 and 997 models were produced with 19.5mm rather than 22mm rear upper link arms? No? Neither did we. But Powerflex does and that’s why it is now producing bush kits to suit both configurations. Kits are available covering both the inner and outer bush on the rear upper link. The bushes are rendered in Powerflex’s signature heavy duty polyurethane. It’s both more durable than the standard rubber bush and adds precision feel and control. Powerflex supplies the kit in its standard polyurethane and also a harder Black Series polyurethane. The standard material is recommended for fast road applications while the Black Series is suitable for track days and competition. The bushes for both arms types are available from powerflex.co.uk for £28.14 a pop.