POLARIS Big Boss 500 6x6 1998-1999 Make POLARIS Displacement 500 Model Big Boss 500 6x6 Year range 1998-1999 ▲Brake Pads Rear pad Nitro series 97621 Brake pad More info ▲Brake Pads (ECE-R90 Certified) Front pad left Racing series 97511 Brake pad More info Front pad right Racing series 97511 Brake pad More info Rear pad Racing series 97611 Brake pad More info