Upgrade your car to a 1 in. dual bore master cylinder with our quick install kit. This kit allows you to upgrade your factory disc brake single bowl manual brake car to dual bowl manual brakes in no time. In this kit you receive the brake lines necessary to route from the new master cylinder to your factory 3 port distribution block. Additionally we include a union which will be installed to your rear brake line with the hard line supplied. A great kit with a factory look and easy installation!