New BSA gas tank center distance tube spacer. Measures approx 3 11/16" long - Fits BSA 500 & 650 unit twins (Lightning, Thunderbolt & Royal Star) from 1967-1970 with the Export (USA) market Small Steel "2 Gallon" Tank only. Please refer to your parts catalog for proper fitment.  

*****Please note that this will not fit BSA A50 & A65 Models with the "Fiberglass" or the Large 4 Gallon "UK" Tanks! You must have the Correct tank for this Spacer to work*****

•O.E.M Part number is 68-8174