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Norton CS1 490cc O.H.V. 18. Piston +020. 1929-30 complete incl. Piston Rings, Gudgeon Pin and Circlips JP Piston Cylinder Bore: 79mm Comp.: 1 27/32" Length: 3 1/16" Piston Clearence 0.12mm or 45thou Pin: 5/8" x 2 19/32" Please look at all pictures  

Triumph Pistons and Liners T100
500cc, 9:1 Pre Unit
Piston Clearance 0.12mm or 45thou
63mmPlease view ALL pictures

650 ccm, T120,TR6
price per pair
+ 40 = 72mm, 9:1
Triumph
650 unit engine
Made in England including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou LFH Piston made in far east Piston rings in England

Compr. ratio 7:1, new,
std. = 71 mm
price per pr
Cast Iron Head - please do not fit to alloy head
Pre Unit
6T
71mm
Thunderbird.
650cc

Piston Clearance 0.12mm or 45thou with Piston Rings, Circlips and Gudgeon pin measurements see techn. data

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

9:1
Triumph T100,
64.5 mm
Pre unit
Pistons

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

Piston Gudgeon Pin Triumph TR25/T100
650 cc
500 cc
short type

OD: 17.5mm
Length: 55mm
Made in England

BSA Piston M20 +020
82mm +020 (=82.5mm)
Pin diameter 19 mm
including gudgeon pin, circlips and piston rings
Piston Clearance 0.12mm or 45thou
Compression Height: 40.5mm

These pistons now come with 4 piston rings.
You can also use them only with 3 piston rings. measurements last picture or techn. data

BSA Piston M20 +60 . 83.5 mm including gudgeon pin, circlips and piston rings 82mm +060 (=83.5mm)
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 last pict. or techn. data

Kickstart Ratchet Pinion BSA
B25,B44,lateB40,lateC15

OD: 34 mm
ID: 19 mm
W: 13,5 mm

BSA A10 Piston. Pair 1950 - 63.  also Ariel FH Fieldmaster 1952- Piston 9:1 Compression
Please look at all pictures including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou price per pair

Velocette MAC Piston +060 = 69.5mm compl. incl. rings, gudgeon pin, circlips

Piston Clearance 0.12mm or 45thou

Supplied by Velocette Company England

Oil Pump Driving Spindle C.Mod. 1937

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

Bolt, Small head. 5/16 x 1/2" long. 22Tpi. BSF.
Mudguard Stay to Slider Ajs/Matchless.
Made in England.

Velocette MAC Piston 350cc JP. +080 including gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thou

Velocette MAC Piston 350cc JP. +020 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

AJS/Matchless Screw, 
pinch for fork stem 1 1/4"uh
 

Bolt, Small head. 5/16 x 3/4" long. 22Tpi. BSF.
Made in England

Norton 600/650cc Piston/Pair GPM +20
68,5 mm Diameter, new
at 600 cc Compr. Ratio: 7.4:1
at 650 cc 8.25:1
middle gudgeon pin-top: 40 mm
Gudgeon pin diameter: 17. 5 mm - 11/16"

Piston Clearance 0.12mm or 45thou
297 g weight
Mod. 77 v- 1956-58
Mod. 99 1956-62
Nomad 1968
650 1960-63
Mod. 99SS 1961-62
650 SS 1961-70
including gudgeon Pin, piston rings and circlipsprice per pairPlease look at all pictures
 

Matchless/AJS 350 cc Cylinder G3LS 70 mm +040  usedneeds reboring013701for alloy cylinder headfor restoration - no guarantee - broken ribsplease look at all pictures

Ariel OHC 500/600 Four Cyl. Duplex Frame, Rigid Exhaust Pipe Pair 1 5/8" 1931-1932slightly scratched - please look pictures

Triumph Tiger Cub High Level Exhaust Pipe 1 1/4" Post 1961Outside of frame / Points in CovMade in England

AJS M18s/G80s Piston 500cc Alloy Head 1950-56 Std +0,9 mm = 83.448 mm Peter Hepworth Std 82.548+0,9 mm Position Clearance 0,12mm or 45thou Pin Diameter: 22mm Hight: 81mm Incl. gungeon pin / wrist pin, circlips and piston rings Please view ALL pictures

AJS/Matchless Piston 592cc OHV Mod. 30/G11 1956-58 STD Pair 72 mm - 2.8346" CR 7.5 :1
JP Piston including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou price per pair Please see last pict. for measurements