Double o-ring center seal and wears rings extend service life and protect against air leakage between chambers Patented orange alert stoke indicator is visible when brakes are out of alignment Epoxy coated clampband and service return spring for additional corrosion resistance 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
5
8.6 IN 218 MM
6.3 IN 160 MM
Self-piloting Dust Shield. Double O-ring Centerseal; Two o-rings for positive sealing and plastic bearings for long life. World Class Diaphragm; High quality rubber compound, resistant to heat and cold; Superior flexibility even at -40F. Superior Power Spring Technology; Advanced powder coating process; Resists corrosion and fatigue. Orange Alert Stroke Indicator Sizes to fit all drum brake applications.