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BSA Gearbox Outer Gasket.
BSA Gearbox Outer Gasket.  A10.A7. B31. B32. B33. B34. Gold Star. Swing arm only

BSA Gearbox Outer Cover Gasket B31/A10
C11
4-Speed BSA A7/A10 plunger only

Lever Adjuster Spring BSA BSA Gold Star

Decompressor/Exhaust Lifter Bush BSA. NOS
Valve lifter Bsa M20. M21.

new old stock

BSA / Triumph Rear Wheel Spindle Nut T15  T20 Bsa C15 Crankshaft Nut.  

Gearbox Sprocket 15T. BSA B25 B44 B50
Triumph TR25
Chain 110-054-... (520)

Chain Size 110-054 = 520.
5/8 x 1/4"
Bsa B40 Rough Rider H.C.B40-462M. and up
Made in England

BSA/Triumph Return Spring Quadrant A75 & T120/T150/T160 BSA/Triumph Return Spring Quadrant A75.T120.T150.T160 3T.5T.6T.TR5.T100 Pre unit

BSA Cylinder Stud Bantam
BSA Bantam Cylinder Stud 5/16"x22TPI UNC. 5/16" x 18 TPI UNF. 5 3/8 L = ca. 137 mm

Made in England

BSA Cylinder Head Bolt BSA Goldstar BB32

Made in England

Clutch Roller 3/16" OD: 3/16" (4.8 mm)
L: little under 3/16" 4.6 mm
BSA/Triumph Kupplung
BSA/Triumph Clutch
TR25, B25ss. 
C15, B40, B44, B50.Ariel 141-36, (24) gear change

BSA Tank Sticker 1971-72

gold, Winged BSA, Filigree

123x35mm

BSA/Triumph Clutch Driven Plate Unit Single.  Set of 5
BSA/Triumph Clutch
TR25
C15
B25
B40
B44
B50

Petrol Tap Tube 1/4-1/4" Norton, Triumph. BSA no tube
1/4"
OD Thread 13mm incl. spigot and nut 750 and 850 cc Norton Commando
OIF BSA

BSA Piston NOS
250cc
STD
63mm
top of the gudgeon pin hole to the top edge of the piston 18.3 mm
Gudgeon pin diameter: 5/8"-16 mm
Compression hight: approx. 27 mm
early BSA -1937
new, old stock

with Gudgeon Pin and Piston Rings Please view all pictures

AJS. Matchless. 1937- 55. BSA Bantam Battery Box. 1946-56 D1. D3. D5. Lucas replica BSA Sloper Battery Carrier, Holder. 350/500/550cc Please look at all pictures

BSA Goldstar Petrol Tap 1/8" x 7/16".  BSA Goldstar Petrol Tap 1/8" x 7/16" with spigot and nut

1/8"BSP= 9-9.6mm, 28TPI
7/16"BSP= 9.7-10.9mm, 19TPIsuitable 1/8" fibre washer 70-0402 

BSA Rear Seat Mounting Bracket
Price 1 Pair
 

BSA Tappet Head Exhaust. Nos. Please look at all pictures

 

BSA A10 Adapter for 4-spring clutch
Swinging arm 1954-63  6-spring to 4 spring
clutch adapter. ( Not for Gold Star. Gold Star Part.No. 42-42-3170A/ L.T.)
Made in England
 

Tappet Guide f. BSA WM20
fits other models,
nos

New, replacements, WM,M20,M21 also usable on pre war models 1937-1945 steel 7 inch.
35mm Wide

price p. pair Please look at all pictures

Oilfilter BSA M20/M21 WD.
1940-45. WM20Please look at all pictures

new, old stock, original BSA
A7,A10,B31,B32,B33,B34. Gold Star, 6 spring clutch

Slight surface rust, due to of storage.

No guarantee to the clutch bearing surface.

BSA Crankshaft shim timing side
OD: 39.5mm
ID: 25.3mm
Thickness: 0.7mm

Speedo/Tacho Mounting Bracket BSA
black