Description: Hvy duty brakes. Without wagon. All models. 8.86 x 1.77" Brakes. Heavy Duty Brakes. Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality Pressure tested to ensure safe and confident braking Trivalent coated bleeder screws provide extra protection and added durability Cast iron and aluminum specifications; no extra stress on the brake boosting mounting