Brand: Optimum Balance Products (OBP)
This 0.080" aluminum panel is designed to cover the master cylinders on the obp Pro-Race Cockpit Fit Pedal Box (Part No. OBP-0002PRC) or the obp Track-Pro Japanese Pedal Box (Part No. OBP-0331). It protects the masters while giving the driver a heel rest for better control. Flanged holes offer drainage if the driver's feet get wet. 300mm Deep x 270mm Wide x 64mm High (11 13/16" D x 10 5/8" W x 2 1/2" H).
This cover is drilled and notched specifically to fit obp Motorsport brand under-floor pedal sets, but you may be able to modify it to fit other brands with a little work.