Search

Vincent Front Hub. Alloy 5 Hole. Unpolished.Made in England by the Vincent Motorcycle Company, Coventry

Rear Hub Vincent unpolished. 5 Hole.

Made in England by the Vincent Motorcycle Company

Rear Hub Vincent. Alloy polished. 10 Hole.

Made in England by the Vincent Motorcycle Company

Hub Bolt Vincent
excentric

Length under head: 13/16" - 20.7mm

Made in England by the Vincent Motorcycle Company

Hub Bolt Stainless Vincent

Length under Head: 1" - 25.4mm

Made in England by the Vincent Motorcycle Company

Triumph 5T Pre Unit Piston 63mm / +020T100 Low Compression
Compression: 7:1
Piston Clearance 0.12mm or 45thouincl. Piston Rings, Circlips and Gudgeon PinPrice per pairPlease look at all pictures

Triumph 5T Pre Unit Piston 63mm /STD.T100 Low CompressionCompression: 7:1
Piston Clearance 0.12mm or 45thou
with piston rings, circlips and gudgeon pinPrice per pair
Made in England

Triumph 5T Pre Unit Piston 63mm / +060T100 Low Compression
Compression: 7:1
Piston Clearance 0.12mm or 45thouPlease look at all pictures

Shim .062 Vincent

OD: 38mm
ID: 26mm
Thickness: 1.6mm

Made in England by the Vincent Motorcycle Company

AJS/Matchless Piston 350cc +060 Iron Head 1933-46
Compression 6.3:1
complete incl. piston rings, gudgeon pin, circlips
suitable for Mod. D3.G3.G3L.G4
Piston Clearence 0.12mm or 45thou
69 mm = STD 69.5mm   +020 = 69.5 mm

Pin Diameter 7/8" = 22.22 mm
Compression Height: 29 mm
complete incl. piston rings, gudgeon pin, circlips
Piston Clearence 0.12mm or 45thouPlease look at all pictures
 

complete
compr. ratio 9.4:1
Dm. 79 mm
Made by GPM
Middle gudgeon pin to lowest point of piston: 29 mm
Middle gudgeon pin to highest point of piston: 41,5 mm
Gudgeon pin diam. 19 mm

can be used f. Norton ES2 or 16H higher compression piston - but need a small end bush
Piston Clearence 0.12mm or 45thoumit Kolbenbolzen, Kolbenringen und Sicherungsringen

compression ratio 7:1,
STD=71mm
price per Pair
Triumph, TR6,T120,T110 650cc
Alloy Head pre unit + Iron Head
if you wish to lower the compression of an iron head engine, these pistons can be used. Giving approx. 6.76:1

Piston Clearance 0.12mm or 45thou
complete with Piston Rings, Gudgeon Pin and Circlips

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  

AJS/Matchless Piston 350cc STD Iron Headd 1933-46365g
Compression 6.3:1
complete incl. piston rings, gudgeon pin, circlips
f. G3LS
JP Piston Made in Australia

Piston Clearence 0.12mm or 45thou

69 mm = STD

D3.G3.G3L.G4
Pin Diameter 22mm
Compression Height: 29mm

Please look at all pictures

AJS/Matchless Piston 350cc +060 Iron Head 1933-46
Compression 6.3:1
complete incl. piston rings, Gudgeon Pin and Circlips
f. G3LS
JP Piston Made in Australia

Piston Clearence 0.12mm or 45thou

69 mm = STD 
+060= 70.5 mm
Pin Diameter 22mm
Compression Height: 29mmPlease look at all pictures

Norton CS1 490cc O.H.V. M18. M19. Piston +030. 1929-30complete incl. Piston Rings, Gudgeon Pin and CirclipsJP Piston Made in AustraliaCylinder Bore: 79mm + 030 = 79.75mmComp.: 1 27/32" High Comp. Dome.Length: 3 1/16"Piston Clearence 0.12mm or 45thouPin: 5/8" x 2 19/32"Please look at all pictures

Norton CS1 490cc O.H.V. M18. M19. Piston +040. 1929-30complete incl. Piston Rings, Gudgeon Pin and CirclipsJP Piston Made in AustraliaCylinder Bore: 79mm +040 = 80mmComp.: 1 27/32" High Comp. Dome.Length: 3 1/16"Piston Clearence 0.12mm or 45thouPin: 5/8" x 2 19/32"Please look at all pictures

Norton CS1 490cc O.H.V. M18. M19. Piston +060. 1929-30complete incl. Piston Rings, Gudgeon Pin and CirclipsJP Piston Made in AustraliaCylinder Bore: 79mmComp.: 1 27/32" High Comp. Dome.Length: 3 1/16"Piston Clearence 0.12mm or 45thouPin: 5/8" x 2 19/32"Please look at all pictures

Norton CS1 490cc O.H.V. M18. M19. Piston +080. 1929-30complete incl. Piston Rings, Gudgeon Pin and CirclipsJP Piston Made in AustraliaCylinder Bore: 79mm. +080 = 81mmComp.: 1 27/32" High Comp. Dome.Length: 3 1/16"Piston Clearence 0.12mm or 45thouPin: 5/8" x 2 19/32"Please look at all pictures

AJS/Matchless Piston 350cc +030 Iron Headd 1933-46 Iron Head
Compression 6.3:1
complete incl. piston rings
f. G3LS
JP Piston
D3.G3.G3L.G4JP Piston Made in Australiawith Piston Rings, Circlips and Gudgeon Pin

Piston Clearence 0.12mm or 45thou

69 mm = STD. = 69.75mm

Pin Diameter 22mm 7/8"
Compression Height: 29mmPlease look at all pictures

Triumph Kolben
TR6,T120,T110 650cc pre unit
71mm +40 = 72mm
Alloy Head
7:1
complete with Piston Rings, Circlips and Gudgeon Pin
Piston Clearance 0.12mm or 45thou

if you wish to lower the compression of an iron head engine, these pistons can be used. Giving approx. 6.76:1Price per Pair

Norton Twin 500 cc
Piston Ring Set / Piston Rings +060
GPM
67.5 mm
Dominator 7,77,88 comp rings. Thick. 0.062" = 1.59mm = 1/16". Comp Ring. Deep. 0.111" = 2.83mm. Oil Ring. Thick. 0.157" = 3.98" = 5/32. Oil Ring. Deep. 0.110" = 2.81mm.

9:1 Compr. Ratio
Top Quality
Price per Pair
T100
500cc
63.5 mm
Triumph
Piston Clearance 0.12mm or 45thoucomplete with Piston Rings, Circlips and Gudgeon Pin

9:1 Compr. Ratio
Top Quality
Price per Pair
Pre Unit T100
500cc
64 mm
Piston Clearance 0.12mm or 45thou.
BSA A7 1947-50 +80complete with Piston Rings, Circlips and Gudgeon Pin

BSA B44 Piston complete
+040 = 80 mm
compr. ratio 9.4:1
Made by GPM
Middle gudgeon pin to lowest point of piston: 29 mm
Middle gudgeon pin to highest point of piston: 41,5 mm
Gudgeon pin diam. 19 mm
Useable on JAP. JOS engine or JTOR. Jap engine clearance 0,13mm
can be used f. Norton at +40
Piston Clearance 0.12mm or 45thou

weight without rings 371 g
weight with rings 400 g

with Piston Rings, Circlips and Gudgeon Pin