Highway Hawk Bullet Light sets (2 Pcs) LED E-mark M10 mounting Chrome - 50 mm Depth - 70 mm Note: LED needs resistor 68-091 for correct operation for each turn signal. Does not work on Aprilia BMW and Ducati For Honda Kawasaki Suzuki and Yamaha the use of replacement relays eliminates the need for resistors. Check technical details of parts 68-2525 681-2526 683-2525