Excellent rebuilt used matched set of Nascar Brembo Monoblock billet aluminum 4 piston race calipers XB3L5.13 / 14 w/ differential bore Titanium 26mm x 30mm 
pistons for pad shape PFC 7735 / 7736. Suggested  nominal max disc diameter up to 330mm x 18mm max thickness w/ 16mm thick pad. Trash guards are easily removable.