BSA Swing Arm "Hollow Spindle" Shaft (1) 42-4340 - A50 / A65 / B31 / A10 Triumph Looks strikingly close to the

Looks strikingly close to the Original Steering Dampers

New English Made Triumph 750 OIF Twins Bottom Frame Sump Oil Plate

these are much better quality then the original Lucas ammeters from the 1950's through the 1960's

Composed of Heat Treated Steel then plated with a lovely Zinc finish

BSA Swing Arm "Hollow Spindle" Shaft (1) 42-4340 - A50 / A65 / B31 / A10 Triumph Looks strikingly close to theNew BSA Unit Twins "Hollow" Swing Arm Spindle Shaft. If your in need of a New Swinging Arm Spindle then this is exactly what you need! Comes with a lovely Zinc Plated finish! Measures 10" 12 16" including the side plate with a thread pitch of 20 TPI! Fits all BSA Unit Twins (Lighting, Royal Star, Hornet, Thunderbolt, Spitfire, Etc) from 1962 1968 only. Also fits many A & B Group BSA Pre Unit Twins & Singles that feature the "Cross Over" Rear Brake