Double o-ring center seal and wears rings extend service life and protect against air leakage between chambers Aluminum center body is durable, lightweight and corrosion resistant Heat treated power springs for maximum output force and extended life, powder coated for corrosion protection Epoxy coated clampband and service return spring for additional corrosion resistance Patented orange alert stoke indicator is visible when brakes are out of alignment
9.3 IN 235 MM
172 MM 6.8 IN
Self-piloting Dust Shield. Superior Power Spring Technology; Advanced powder coating process; Resists corrosion and fatigue. Double O-ring Centerseal; Two o-rings for positive sealing and plastic bearings for long life. Sizes to fit all drum brake applications. Orange Alert Stroke Indicator World Class Diaphragm; High quality rubber compound, resistant to heat and cold; Superior flexibility even at -40F.