Mychron Tach Lead & Speed Sensor Parts, Mychron 4, 5, 6 Tach Lead with Plastic Clip, Mychron Plastic Tach Sensor Replacement Clip, Mychron 4 Rear Axle Speed Sensor and Magnet Kit, Mychron Speed Sensor Adjustable Mounting Bracket, Mychron Plastic Axle Speed Collar, 1 1/4", 30mm, 40mm, 50mm, Mychron 4 Front Wheel Speed Sensor, Bracket and Magnet Kit, Mychron Bolt Style Wheel Speed Magnet, Mychron Stick On Wheel Speed Magnet, Mychron Speed Sensor Replacement Nut, Mychron 4, 5, 6 Black Extension Cable, Both Metal Screw On Ends