This super lightweight (only .55 pounds) 1/2* bore aluminum master cylinder designed specifically for Kart and Jr. Dragster racing applications incorporates an adjustable lever ratio with a remote mount clear fluid reservoir for easy monitoring. The assembly comes ready to install and includes billet bracket, lockwired drilled hardware and fluid line fitting. The unit is best utilized in conjunction with Wilwood*s Kart / Jr. Dragster caliper.