No hammering to the transmission tunnel needed! The Zerek Fabrication Miata Hydraulic Hand Brake Mounting Plate features a tapped mounting hole to save any trans tunnel modification. Our mounting plate provides no interference to the driver and offers 10 degrees of adjustment to perfectly position your hydro handle to the angle needed. Our mounting plate will fit around the existing OEM hand brake. Slight trimming to the center console plastic is recommended, amount of trimming needed is dependent upon what brand of hydraulic hand brake is being run.