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B31/33 ENGINE
!

PISTON RINGS B31

ZVB31
!

Various suppliers, set of 3.
STD diameter is 71mm

PISTON 8,5:1 EARLY GOLD STAR, B33/34

ZMC12010/40
!

Piston for the early long conrod 500cc 1947-52
Oversize  + .040"  (STD size is 85mm)

PISTON B31

ZB31
!

Various suppliers. Complete with rings, cirlcips and gudgeon pin.
STD bore is 71mm.

TABWASHERS B31/33

BSA23
!
bsa23borgjesb31

OIL PIPE NUT B/M MODELS

66-8332
!

SHORT MAGDYNO STRAP, BLACK

66-2353E
!

160MM

SHORT MAGDYNO STRAP

66-2353
!
BRITISH MADE, HEAVY QUALITY.
160MM, ZINC PLATED

OIL FEED RUBBER IN TIMING COVER

66-1923
!

SPRING CUSH DRIVE

66-1706
!

TAPPET GUIDE IN/EX

66-1494
!
B and M models.
GENUINE BSA New old stock.

RUBBER SEAL IN PUSHROD TUNNEL

66-1367
!

OIL FEED TUBE IN TIMING COVER

66-0698
!