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BSA Piston complete
8:1 Compression
+20 = 79, 5 mm
Piston Clearence 0.12mm or 45thou
Gudgeon Pin: 19.00 mm
Compression Height: 40.9mm
incl. gudgeon pin, piston, rings, circlips  

BSA B40 Piston +020 8.75:1 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

BSA B40 Piston +030 8.75:1 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou  

Ariel Half Time Pinion 25T Please look at all pictures

BSA Piston M20 +040. 83.0mm
complete with circlips and gudgeon pin
82mm +040 (=83mm)
Piston Clearance 0.12mm or 45thou These pistons now come with 4 piston rings.
You can also use them only with 3 piston rings. measurements second picture or techn. data including gudgeon pin, circlips and piston rings

Norton 16H Piston +030 1931-48 500cc SV, 16H, WD   Gudgeon Pin Diameter: 7/8" = 22.22 mm Compression hight 1 3/4" = 44.45 mm Length: 3 5/16" = 84,1375 mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Please look at all pictures

Norton 16H Piston +040. 1931-48. 500cc SV, 16H, WD 80 mm Gudgeon Pin Diameter: 7/8" = 22.22 mm Compression hight 1 3/4" = 44.45 mm Length: 3 5/16" = 84,1375 mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Please look at all pictures

Norton GPM Piston 77mm Pair /STD.
850cc
Piston Clearance 0.12mm or 45thou including gudgeon Pin, piston rings and circlips

Made in England Price per pair

Norton 850 Commando Piston STD Pair with Piston Rings, Circlips and Gudgeon Pin Made in England Please look at all pictures Piston Clearance 0.12mm or 45thou price per pair

BSA Piston M20 +060. 83.5mm
complete with circlips and gudgeon pin
82mm +060 (=83.5mm)
Piston Clearance 0.12mm or 45thou

Nut 1/4" x 26TPI/CEI.
Vincent. 91.

Norton ES2 Piston Std.
complete
GPM/Gandini
Outsidediameter 79mm
gudgeon Pin 22 mm
Compression Height: 35.1mm

Piston Clearance 0.12mm or 45thou including gudgeon Pin, piston rings and circlips

BSA Chaincase Stud f. Magdyno Strap B31 M21

3.3/16" x 5/16"26TPI BSC/18TPI WW

Made in England

Smiths. Black Face, wiht trip, magnetic
OD: 74 mmnot perfect, slighty scratched

Clutch Spring Cup BSA B31-A10
f. 6.spring Clutch Type
Set - 6 pieces

Ariel Footrest Rubbers OD 43 mm Total length: 115 mm Square: 20 x 10 mm

Price per Pair  
 

Triumph Piston 750cc T140/TR7V +40
76mm+40,
compr. ratio: 7,4:1,
price per Pair
Low compr.
gudgeon pin diameter: 19 mm

Piston Clearance 0.12mm or 45thou complete with piston rings, circlips and gudgeon pin

Piston Triumph +040
T140V.TR7V 750cc
pistons 8.6:1
76mm +040 = 77 mm
Price per Pair
Piston Clearance 0.12mm or 45thou complete with piston rings, circlips and gudgeon pin
 

Piston Triumph +60
T140V.TR7V 750cc
STD = 76mm
+60 = 77.5 mm
8.6:1
Price per Pair

Piston Clearance 0.12mm or 45thou including gudgeon Pin, piston rings and circlips

Triumph.750cc
T140v.TR7V.
pistons
76mm STD
8.6:1
Price per Pair

Piston Clearance 0.12mm or 45thou including gudgeon Pin, piston rings and circlips

9:1 Compr., Top Qualit.
price per pair
Pre Unit
63mm
Piston Clearance 0.12mm or 45thou complete with piston rings, circlips and gudgeon pin

Triumph Lock Nut 9/16"  WW/UNC 

Velocette OHC Piston +030 KSS. MKII Piston STD 1936-1948 74 mm complete with Piston Rings, Circlips and Gudgeon Pin 7.5:1 Bore: 74.75mm Piston Clearence 0.13mm or 45thou Gudgeon Pin Diameter: 15.95mm Compression Height: 51mm JP

Velocette OHC Piston +020 complete with Piston Rings, Circlips and Gudgeon Pin Bore: 74.5mm Piston Clearence 0.13mm or 45thou Gudgeon Pin Diameter: 15.95mm Compression Height: 51mm JP Please look at all pictures

Velocette OHC Piston +040 KSS. MKII Piston STD 1936-1948 75 mm 7.5:1 complete with Piston Rings, Circlips and Gudgeon Pin Bore: 75mm Piston Clearence 0.13mm or 45thou Gudgeon Pin Diameter: 15.95mm Compression Height: 51mm JP