This floor mount pedal assembly mounts a single brake or clutch master cylinder in a forward position outside the firewall. It features a lightweight aluminum frame, with a high strength reinforced I-Beam style forged 6:1 ratio pedal arm. The non-skid waffled pedal pad can be laterally adjusted for driver preference or clearance as necessary. This pedal accepts any Wilwood vertical mount flange single or tandem outlet master cylinder. Horizontal mount flange master cylinders require an adapter kit. Master cylinders are ordered separately by style and bore size. It measures 10.25"