BSA Oil Sump Plate Filter Gauze - A7, A10, A50 and A65 Models
Usually two gaskets required, one each side of the filter - see related products.
Stainless steel filter plate with 7/16" (11mm) hole for the scavenge pipe.
Steel plate with gauze filter - no hole.
Made in England
OEM: 71-1126, E11126