There’s no need to drill permanent holes in the dash of your 2017-2019 Ford 6.7L Powerstroke with the GDP Tuning GDP22002 Rotary Switch Bracket. This bolt-on design eliminates drilling and cutting by simply bolting directly to the bottom of your dashboard giving you a clean, solid place to mount your GDP Rotary Switch (not included). FEATURES: No Cutting Or Drilling Required Bolts Directly To Bottom Of Dashboard