A complete set of OE equivalent pistons and seals for the rear 2 pot caliper for Impreza WRX 2001-2007.
Comes with all items shown in the image, which includes 4 pistons and associated seals and rings.
2001-2007 Subaru Impreza WRX Front 2 Pot Calipers
Available with either standard specification or stainless steel pistons.
Should be installed by a qualified vehicle technician