Universal 90 Degree Under Dash Power Brake Booster Pedal & Master Cylinder Kit. A universal 90 Degree pedal assembly. Quality laser cut pedal assembly. The 90 degree under dash pedal provides a secure way to mount a power booster, or a manual brake master cylinder and has pre-drilled holes for a manual master cylinder on the firewall if you decide later to go manual.This unit will fit a wide range of early Chevy, Ford, Dodge cars and trucks. We include the pedal mounting pad and a standard push pedal with this unit. Weld on the tab for the brake pad. Includes 7" Single Brake Booster & 1" Bore Master Cylinder. 9/16"-18 & 1/2"-20 ports on the master cylinder. Ports on Both Side so you can plumb left or right side. As shown in our pictures.