This is a brand new, new old stock bell housing / rear flywheel casing assembly.  

1955-1959 S-1 ONLY

S CONTINENTAL
Bentley S Continental G series (BC1GN - BC31GN)
Bentley S Continental C series (BC1CH - BC51CH)
Bentley S Continental A series (BC1AF - BC101AF)
Bentley S Continental E series (BC1EL - BC51EL)
Bentley S Continental D series (BC1DJ - BC51DJ)
Bentley S Continental F series (BC1FM - BC51FM)
Bentley S Continental B series (BC1BG - BC101BG)
S SALOON
Bentley S A series early (B2AN - B500AN)
Bentley S Long Wheelbase (ALB1 - ALB36)
Bentley S E series late (B1EK - B651EK)
Bentley S C series early (B2CK - B500CK)
Bentley S B series early (B2BA - B250BA)
Bentley S E series early (B2EG - B650EG)
Bentley S C series late (B1CM - B501CM)
Bentley S H series early (B1HB - B45HB)
Bentley S F series late (B1FD - B651FD)
Bentley S G series late (B2GC - B126GC)
Bentley S D series late (B1DE - B351DE)
Bentley S F series early (B2FA - B650FA)
Bentley S A series late (B1AP - B501AP)
Bentley S B series late (B1BC - B251BC)
Bentley S D series early (B2DB - B350DB)
Bentley S H series late (B2HA - B50HA)
Bentley S G series early (B1GD - B125GD)
SILVER CLOUD SALOON
Rolls-Royce Silver Cloud E series early (SFE1 - SFE501)
Rolls-Royce Silver Cloud F series early (SHF1 - SHF251)
Rolls-Royce Silver Cloud H series early (SMH1 - SMH265)
Rolls-Royce Silver Cloud B series early (SYB2 - SYB250)
Rolls-Royce Silver Cloud F series late (SJF2 - SJF250)
Rolls-Royce Silver Cloud A series early (SWA2 - SWA250)
Rolls-Royce Silver Cloud C series early (SBC2 - SBC150)
Rolls-Royce Silver Cloud LWB B series (BLC1 - BLC51)
Rolls-Royce Silver Cloud G series early (SKG1 - SKG125)
Rolls-Royce Silver Cloud D series early (SDD2 - SDD450)
Rolls-Royce Silver Cloud LWB C series (CLC1 - CLC47)
Rolls-Royce Silver Cloud A series late (SXA1 - SXA251)
Rolls-Royce Silver Cloud H series late (SNH2 - SNH262)
Rolls-Royce Silver Cloud LWB A series (ALC1 - ALC26)
Rolls-Royce Silver Cloud B series late (SZB1 - SZB251)
Rolls-Royce Silver Cloud G series late (SLG2 - SLG126)
Rolls-Royce Silver Cloud D series late (SED1 - SED451)
Rolls-Royce Silver Cloud C series late (SCC1 - SCC151)
Rolls-Royce Silver Cloud E series late (SGE2 - SGE500)