Used rear drive assembly for a Sunbeam S7 or S8 89-5520 part number on crown wheel Some signs of cavitation on the gears but looks as good as the one in my bike see photos
SUNBEAM S7 S8 REAR DRIVE Diff Differential Shaft Drive Box Housing OIL SEAL
SUNBEAM S7 S8 REAR DRIVE Diff Differential Shaft Drive Bevel Box Complete
SUNBEAM S7 S8 REAR DRIVE Diff Casing Differential Shaft Drive Box Housing
new pair JOHN BULL no.19 black rubber KNEE GRIPS prewar Sunbeam S7 S8
SUNBEAM S7 S8 (1947-56) DESIGN DEVELOPMENT & PRODUCTION HISTORY BOOK *HARDBACK*
An original instruction manual for Sunbeam S7 & S8 500 O.H.C. twin