Race Tech 41mm Gold Valve Cartridge Fork Emulators for Dyna and Big Twin Models 1969-2016 Fenders Frames & Fenders Lock nut-type retainer stud is

Lock nut-type retainer stud is stainless 5/16"-18 thread

you'll need a quantity of two

Cycle Electric regulators are the best you can get

22mm female thread

Specifically designed for Softails fitted with TC Bros

Race Tech 41mm Gold Valve Cartridge Fork Emulators for Dyna and Big Twin Models 1969-2016 Fenders Frames & Fenders Lock nut-type retainer stud isRace Tech 41mm Gold Valve Cartridge Fork Emulators for Dyna and Big Twin Models 1969 2016 Are you looking to dial in your Dyna or Big Twin suspension? Race Tech had you in mind when they designed this kit. With over 36 years of experience, Race Tech Suspension specializes in creating high performance suspension solutions for motorcycles. Features: 41mm Makes damping rod forks perform like well tuned cartridge forks Tunable valves sit on top of damping