The Hawk ER-1 rear brake pad set is specified for 2003–2005 Mazda Miata rear applications and uses Hawk's ER-1 compound. The pads list a thickness of 0.492 in. and note compatibility with Wilwood SL, AP Racing, and Outlaw caliper applications. These street/race-oriented pads are positioned as a direct-fit replacement for supported rear braking setups on the specified Miata years.
Hawk 03-05 Mazda Miata Rear ER-1 Brake Pad Set