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Thunderbird 6T 7:1
Triumph, Pistons Pre Unit
71mm +40=72mm
Gudgeon Pin: 17.4mm
650cc

for Cast Iron Head - please do not fit to alloy head
complete with gudgeon pin, piston rings and circlips

Piston Clearance 0.12mm or 45thou Measuremetns see techn. data Price per Pair

Norton ES2 Piston +020
complete
GPM/Gandini
STD. 79.0mm +020 (79.5mm)
gudgeon pin 22 mm
Compression Height: 35.1mm

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

AJS/Matchless Piston 350cc STD.
for Alloy Cylinder Head gudgeon pin = 22 mm  7/8"
7,5:1
D: 69mm total hight 85 mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 347 cc OHV 16M  1948-55 347 cc OHV 16MS 1956-58 JP Measurement see pict.

AJS/Matchless Piston 350cc +080
Alloy Head 1948-55 G3L gudgeon pin 22 mm - 7/8"

Compression 6.3:1
Std: 69mmincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thoucomplete incl. Rings
f. G3LS
JPtotal hight 82 mmplease look at all pictures

AJS/Matchless Piston 350cc STD.
Alloy Head 1948-55 G3L gudgeon pin 22 mm - 7/8"

Compression 6.3:1
Std: 69mmincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thoucomplete incl. Rings

JPtotal hight 82 mmplease look at all pictures

AJS/Matchless Piston +040. 500ccm = 83,55 mmAJS 18S. Matchless G80SC.R. 7.3:1 Gudgeon Pin: 7/8" - 22mmincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures
Piston Clearance 0.12mm or 45thou

AJS/Matchless Piston 0,20  500ccm = 83,05 mmAJS 18S. Matchless G80SC.R. 7.3:1 Gudgeon Pin: 7/8" - 22mmincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures

AJS/Matchless Piston +060 500cc
84.05 mm

AJS 18S. Matchless G80SC.R. 7.3:1 Gudgeon Pin: 7/8" - 22mmincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures

Ariel 550cc Piston STD = 86.4 mm bore
JP Piston including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou  

Ariel 550cc Piston +020
JP Piston   including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou  

BSA Sloper Silencers 1 3/4"-Inside Diameter  = approx. 44.5 mm
chromed
Made in England
Price per Pair

BSA Sloper Exhaust Pipes 500 cc
OHV
09/1929-1935
Price per Pair
Made in England
chromed
Front 42 mm - 1.11/16"
rear 44 mm - 1.3/4"

BSA Sloper 600 cc SV.OHV Primary Chaincase/Pair 1933-35
 

BSA Sloper Back Stay 1929
4.93, 5.57, 4.93 Deluxe Measurements in last picture Pipe diameter 22 mm

BSA Sloper 1927-29 Chainguard measurements - see picture

BSA B31/B32 Gasket Set 1945-48Early type gearboxMade in England

Velocette Hub Dust Cover

Made by Velocette

BSA Sloper Brake Pedal LHS

AJS/Matchless Washer
fork inner top bolt(40-G12m-FF190)
for 1 1/8" Fork Stanchion AMC

Engine Shock Absorber Clutch Cam AJS/Matchless

Made in England

Spring for Foot Brake Pedal AJS/Matchless

Sprocket, Magneto on Armature Shaft AJS/Matchless 5/8" deep

Dynamo Cork AJS/Matchless

AJS/Matchless Oil Seal for Cam Spindle
B52 cover bush

Cylinder Head Bolt Washer   Made in England