Race-Driven Exclusive Severe Duty Sintered Brake Pads Designed To Withstand the Most Extreme Conditions Fits 2007 Yamaha YFM450 Grizzly Customer Driven – Quality Driven – Race-Driven 705600014 Race-Driven Severe Duty Sintered Metal Brake Pads. You will receive 1 set of brake pads to replace the rear brakes on the following: 2007 Yamaha Grizzly 450 YFM450 IRS, 2007 Yamaha Grizzly 450 YFM450 Hunter Edition IRS, 2007 Yamaha Grizzly 450 YFM450 Outdoorsman Edition IRS, 2007 Yamaha Grizzly 450 YFM450 Special Silver Edition IRS. Severe Duty Brake Pads are the newest design and tested compound by Race-Driven. They are a sintered metal pad which will far out last any semi metallic or organic pad on the market. Tested in our independent test facility these pads outlasted the most famous brands of brakes, they have many hours of testing in all environments. These pads will work excellent in all conditions including mud, water, sand, racing and any other condition you can throw at them. Race-Driven is committed to bringing the highest quality products to all riders at an affordable price. Customer Driven – Quality Driven – Race-Driven.