Crane Cams 700-0300 XR700 Points-to-Electronic Ignition Conversion Kit for Lucas Points Distributor Better Performance - More powerful signal than points ignitions provides crisper throttle response, faster start up. Durability - Fully potted for protection from dirt, moisture and vibration More Accurate - Optical trigger provides more precise ignition timing and eliminates points bounce. Built-in Diagnostics - All new status LED light for easy diagnostics CARB Legal - CARB EO - D-47-2 Designed for '79-'83 British 4, 6 and 12 cylinder engines that were originally equipped with a Lucas OPUS distributor Made in USA