Arlen Ness Splined Foot Peg Mount For Harley M8 Softail These Arlen Ness Driver Splined Peg Mounts are CNC machined from billet aluminum and splined for adjustability to get those pegs right where you want them. Features: Required to Mount Arlen Ness MX Foot Pegs CNC machined billet aluminum Splined for adjustability Note: Will not fit models with OEM floorboards.