Lucas Rear Taillight LED Bulbs - Choose Bulb Type Bulb Type - Voltage - Polarity - Lumens:#380 / BAY15D 12V - FITS LUCAS L917 TAIL LIGHTS ONLY 1973 & LATER- (Positive / Negative) - 620LM - Dual Filament Measures 11

Measures 11

Measures 3/8" diameter with a thread pitch of 26TPI - bolt is forged

BSA Unit Twins & Singles Q

M Part number is 064243 or 06-4243

*****Please note that this Oil Seal Kit will only fit "Commando's" from 1968-1975

Lucas Rear Taillight LED Bulbs - Choose Bulb Type Bulb Type - Voltage - Polarity - Lumens:#380 / BAY15D 12V - FITS LUCAS L917 TAIL LIGHTS ONLY 1973 & LATER- (Positive / Negative) - 620LM - Dual Filament Measures 11Ride your vintage British motorcycle in comfort knowing that the person riding or driving behind you can actually see you. Installing Lucas LED light bulbs do more than offer a bright light. They offer safety and clarity to those around you. Our new Lucas LED rear tail light bulbs will replace the conventional Lucas light bulbs. All LED light bulbs that we are offering will work with both + ground applications Although our LED light bulbs are brighter