Race-Driven Severe Duty Sintered Metal Brake Pads You will receive 4 sets of brake pads to replace the front and rear brakes on the following: 2016 2017 2018 Polaris 1000 RZR S EPS Severe Duty Brake Pads are the newest design and tested compound by Race-Driven. They are a sintered metal pad which will by far out last any semi metallic or organic pad on the market.