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BSA CB/DB Goldstar 350cc Piston 080 with Piston Rings, Gudgeon Pin and Circlips
STD: 71 +080 = 73mm
Piston Clearance 0.12mm or 45thoumiddle Gudgeon to top of piston: 40 mmMiddle Gudgeon pin to first step: 33 mmGudgeon Pin 19 mmsee last pict.compression 9:1JP Piston 

Triumph Piston Unit 650 ccm T120/TR6 std. /Pair
9:1
650 Unit Engine
STD= 71mm
Piston Clearance 0.12mm or 45thou complete with piston rings, circlips and gudgeon pin Price per pair LFH Pistonmade in far east Piston rings in England

Indian 600 Scout JP Piston Pair +030. 1925-1928.+030 = 70.85 mmGudgeon Pin diameter 5/8" = 15,87 mmCompression Height 43 mm1 Piston: Weight incl. piston rings 417 gincluding Gudgeon Pin, Piston Rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures

Ajs. Matchless Piston Ring Set / Piston Rings +080 AMC 350 1948-65. 

Diameter: 71mm. Compression Rings are 1,6 mm x 2,9 mm - 1/16“ x 1/8“. Oil Ring 3 mm x  2,8 mm. 1/8". Only for JP Pistons. Not for Hepolite Pistons! Only AJS. Matchless 350cc 1937-. For JP Pistons 9990. JP0751. 10465. JPO413. 13265. JP13265. 

Triumph Cylinder Liners with Piston Low Compression 7:1  T100. TR5. 5T Alloy cylinderincl. 5T. TR5 Pre Unit Pistons pair  63mm /STD.  7:1Compression Once the liners are fitted the pistons will be need to be bored to a Piston clearance 0,12 mmgap of piston rings 0,25 mm

 Please view ALL pictures  

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
 

JP Piston Norton Big 4 +.020 82.5 mm
std = 82 mm
Gudeon Pin Diameter: 7/8"Piston Clearance 0.12mm or 45thouincl. gudgeon pin, circlips and piston rings

1947-54JP Piston Made in Australia

JP Piston Norton Big 4 +.030
Gudgeon Pin Diameter: 7/8"

S.V
Big 4 No. 1
STD = 82 mm

incl. gudgeon pin, circlips and piston rings

Piston Clearance 0.12mm or 45thouJP Piston Made in Australia

JP Piston Norton Late Big 4 +040 = 83 mm
Gudgeon Pin Diameter: 7/8"
incl. gudgeon pin, circlips and piston rings
S.V
Big 4 No. 1
STD = 82 mm

Piston Clearance 0.12mm or 45thouJP Piston Made in Australia

JP Piston Norton Big 4 +060 = 83,5 mm
Gudgeon Pin Diameter: 19mm

Centre gudgeon pin to top: 30 mm


S.V
Big 4 No. 1
STD = 82 mm

incl. Gudgeon Pin, circlips and Piston rings

Piston Clearance 0.12mm or 45thouJP Piston Made in Australia

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

complete
+60 = 80.5 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

can be used f. Norton
Piston Clearance 0.12mm or 45thou with piston rings, circlips and gudgeon pin

BSA B33 Piston +020= 85.5 mm
1946-1953
Hep 11341+20
65-1260Compr. ration 6.8:1slight rusty rings
to be used with flywheels
65-1235 and 65-1235
to be used with conrod 66-482
Piston Clearance 0.12mm or 45thou
Compression Height: 31mm
Piston top - Gudgeon pin top: 22 mm
Gudgeon pin diameter: 19 mm
for long conrodwith gudgeon pin, circlips and piston rings

2-Piston Brake Caliper Norton
For solo machines
Classic machines
F2 Sidecar

Features:
Classic Design
Aluminium Alloy Body
Machined from high quality die castings
Aluminium alloy pistons
Hard anodised surface treatment
Split pin pad retainer

Technical Specification:
Piston Sizes x2 Diameter: 41.3mm
Piston Area 26.8ccm
Disc Diameter 304mm
Disc Thickness 6.4mm
Weight no Pads 900g
Hydraulic Thread 3/8"x24UNF
Mounting Type: Lug
Mtg Centres 89mm
Mtg Offset 19.1mm
Mtg Hole Diameter 10.2mm
Seal Repair Kit CP4518-K

AJS/Matchless Pistons  Twin 1956- Mod. 20. G9.Clubman. 498 cc OHV . +020/Pair
+020 = 66.5 mmPiston Clearance 0.12mm or 45thou
incl. Gudgeon Pin, Piston Rings and Circlips
JP Piston Made in AustraliaCompr. Ratio 7,8 : 1Price per PairPlease look at all pictures
 

AJS/Matchless Pistons  Twin 1956- Mod. 20. G9.Clubman. 498 cc OHV . +040/Pair
+40 = 67 mm
gudgeon pin diam. 19 mmPiston Clearance 0.12mm or 45thou
incl. Gudgeon Pin, Piston Rings and Circlips
JP Piston Made in AustraliaCompr. Ratio 7,8 : 1Price per PairPlease look at all pictures
 

AJS/Matchless Piston Twin 498 ccm OHV 1956- Mod. 20. G9.Clubman. +060/Pair

+060 = 67.5 mm
Piston Clearance 0.12mm bzw. 45thou
incl. Gudgeon Pin, Piston Rings and CirclipsCompression Ratio 7,8 : 1
JP Piston Made in Australia
Price per PairPlease look at all pictures

  

8:1 comp
BSA B40 Piston STD.
STD = 79mm
Gudgeon Pin Diameter: 19mm
Total Height: 73.85mm
Compression Height: 41.2mm

Piston Clearance 0.12mm or 45thou with Piston Rings, Circlips and Gudgeon Pin made in far east with english piston rings.

+20 = 79.5 mm GPM, cpl.
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

can be used f. Norton
Piston Clearance 0.12mm or 45thou with Piston Rings, Gudgeon Pin and Circlips
 

AJS/Matchless Piston +060 500cc
84.05 mmJP Piston Made in Australia

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

AJS/Matchless Piston 0,20  500ccm = 83,05 mmJP Piston Made in AustraliaAJS 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 +040. 500ccm = 83,55 mmJP Piston Made in AustraliaAJS 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
 

BSA Piston 85mm B50 Goldstar +40 500cc Unit Construction. BSA DBD Gold Star Pre Unit STD
Diameter of this piston  = 85mm with gudgeon pin, circlips and piston rings

Piston Clearance 0.12mm or 45thou
Compression 10:1
compr. hight: approx. 32.6 mm

Gudgeon Pin Diameter: 19.00mm Please look at all pictures

BSA Piston A65 Assembly Std. with piston rings, circlips and gudgeon pin
9:1
75 mm Made in Far East - good quality Piston rings are Hepolite

Price per Pair
Piston Clearance 0.12mm or 45thou

AJS/Matchless Pistons/Pair 498 cc OHV Twin. Mod. 20. G9  +060 -1955/Pair
Spring Twin. Super clubman
+060 =  67.5 mmCompression Ratio 7:1Price per Pairincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouJP Piston Made in AustraliaPlease look at all pictures