Vintage design Austin Healey 25D distributor vacuum. Concours quality. These units are built from the original Lucas components and have upgraded internal diaphragm for improved performance. Each Lucas unit is correctly stamped with the original part number and include the correct vacuum pipe fitting. Important there are two options available and you must determine which unit you require. Early Lucas distributor 40920 uses vacuum 54413360. The later Lucas distributors 40966 use two different fittings. The 54413360 vacuum with threaded vacuum pipe and the later 54411969 vacuum with the push on end. . Both of these vacuum units have a spring link. connection for the advance. Important select the appropriate option above. Please examine your old vacuum to determine which option you require. Original Lucas vacuums are stamped with the part number. If you are rebuilding an earlier Lucas distributor check in our store for additional vacuum units.
The attached photos in our gallery have reference pictures to display the two different options.