For sale today are new BSA twins large journal crankshaft sludge trap nuts. each sludge trap screw we offer is made in England to work with late model A7 / A10 models with the large journal cranks and early model BSA A50 / A65 models up to 1965 with cranks that can accept 2 crank plugs (one on each side). We have the standard plugs and the taper end plugs to retain the end of the sludge trap. Please refer to your parts catalog and check your thread pitch for proper fitment.
- Made in England
- OEM part number is 67-1211 & 67-1211
- Free shipping in the USA