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BSA A75. Triumph T150 Piston +060 Set Cast AlloyCompression ratio 9:1including gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouset of 3Please look at ALL pictures

BSA Piston Std. 500cc B50/Goldstar
84mm
Compression: 10:1
Compression height: approx. 32.8 mmWeight 459 g

Gudgeon Pin Diameter: 19mmincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thou

BSA Piston +40= 86 mm  OHV 1947-52 . B33, B34, B34 Gold Star 8.5:1 JP Long Conrod mod. only. Rod number o/e 66-483 85mm std Please look at all pictures including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou  

BSA Piston +20  OHV 1947-52 85,50mm. 1947-1952. +020 = 85.5 mm B33, B34, B34 Gold Star 8.5:1 Long stroke  Models only. Conrod number o/e 66-483 85mm std  JP including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou  

BSA Piston +60 OHV 1947-52 86,5mm. 1947-1952. B33, B34, B34 Gold Star 8.5:1 JP Long Rod Models only. Rod number o/e 66-483 85mm std including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

JAP Twin Piston +020 / Pair including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 1000cc OHV
Model KTO
KTOR
STD = 85.7 mm x 85 mm Bore and Stroke +020
Gudgeon Pin: 13/16=20,6mm
Compression Height: 32.45mm
JP

BSA Piston STD OHV 1947-52 85mm. 1947-1952. = 85mm B33, B34, B34 Gold Star 8.5:1 Long stroke  Models only. 
Conrod number o/e 66-483 85mm std  JP including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 

Norton ES2 Piston +040
complete
GPM/Gandini
STD. 79mm +040 (80.0mm)
gudgeon pin 22.25 mm
Make: Gandini Italy
Compression Height: 35.1mm

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

Ariel 550cc Piston +030  87,15 mm
JP Piston including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou  

Triumph T20 Piston Std 9-1 C.P.172 E3958.E3959.E3960.E3961 E1750.E1767 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

BSA GPM A65 Piston Pair STD 7.5-1
Compression High: 37mm
Gudgeon Pin DM: 19mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per pair  

BSA A65 Piston +020 Pair
7.5:1
Gandini
Gudgeon Pin Diameter 19 mm - 3/4"
Compr. hight 37 mm Lightning

020 = 75.5 mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per Pair

BSA A65 19233 Piston Pair STD. 75 mm 9:1 Compression including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per Pair Please look at All pictures

BSA A7 Piston Pair +040 7.5-1 Compression Ratio   7,5:1 Compression height    approx. 41 mm Piston length approx.. 68 mm Gudgeon pin Ø  11/16” – approx.. 18 mm Gandini including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per Pair Please view ALL Pictures

BSA Piston A65 Assembly +020
9:1 Made in Far East - good quality Piston rings are Hepolite Price per Pair including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

BSA A50 500cc Piston Pair +020 1963-70 = 66 mm Compression ratio 9:1 Please see measurements in techn. data and last picture Complete incl. Gudgeon pin, piston rings and circlips Piston Clearance 0.12mm or 45thou price per pair

BSA B31 Piston Complete Std. 71 mm Diameter more measurements see last pict. including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

BSA B31 Piston complete +080 STD = 71 mm +080 = 73 mm more meas. see last pict. including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

Ariel 550cc Piston +040  87,15 mm
JP Pistonincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thou

BSA A65 19233 Piston Pair +060 19729:1 CompressionWeight 1 piston incl. Rings and Clips and gudgeon pin  470 gincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPrice per PairPlease look at ALL pictures 

AJS/Matchless JP Pistons 500cc Twin
-1955 +040

Bore: 66mm +040(=67mm) including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou JP
Compression Ratio  7:1
Price per pair Pleae view ALL Pictures

AJS/Matchless JP Pistons 500cc Twin +020
-1955 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Bore: 66mm +020
(66.5mm)
JP
Compression: 7:1
Price per Pair

Ajs/Matchless 605cc Pistons Pair Modle 31. G12.CS.G12CSR. Monarch. 060 1960 -66 models including gudgeon Pin, piston rings and circlips

STD = 72 mm+1.5mmm = 73.50mm.
8.5 to 1.
Bore  at 0.12mm or 0.0045".
Make JP. price per pair 2.03125” compression height

AJS/Matchless Piston 592cc OHV Mod. 30/G11 1956-58 +060 = 73,5 mm
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.

AJS/Matchless Piston STD. 500ccm = 82,55 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