BSA Pre-Unit Twins Small Journal Con Rod Bearing Shell Set 67-0320 +.010 500 650 7/8" then you will need this

then you will need this Strap

We also stock this Same Lucas Type Switch in the "Long Knob" Style

M Part number is 70-4587

Nut & Half "Dummy Spindle" have a thread pitch of 20 TPI and the Spindle measures 6 11/16" under the head

If yours is missing or it has been damaged then this is exactly what you need to get your side panel mounted back onto your frame

BSA Pre-Unit Twins Small Journal Con Rod Bearing Shell Set 67-0320 +.010 500 650 7/8" then you will need this*Back In Stock!* Top Quality BSA Pre Unit 500 & 650 Twins "Small Journal" +. 010 Rod Bearing Con Rod Shell Set. This is as good as it gets! Although there are other less expensive rod bearings being sold here on the internet, they are not of the same quality! Your British motorcycle is an investment, so do it right the first time using high quality parts! Fits all BSA Pre Unit 500 & 650 Twins (Goldenflash, A10, Shooting Star, A7, Etc) from 1947 1955