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Royal Enfield Piston +040

Royal Enfield Piston Std.
64mm
Hepolite

Panther Piston +030
ca. 60.67mm +030

Ariel Piston Std. 500cc SV-Models
Type C. 1939-47
81.8mm Std.
NOS

Piston Std.
82mm Std.
Diameter Pin: 20,7mm - 13/16"
Compression Height: 33.6mm

Triumph Piston Std. T20 Tiger Cub 200cc 1954-58
63mm

BSA Piston NOS 149 cc 1934/6 +040

OHV
Model: X34-0, X35-0, X36-0
C.R: 7 to 1
STD = 52 mm

Piston Circlip Norton 16H
f. 22 mm gudgeon pin
Thickness of wire 2 mm
OD: 23,5 mm

Piston Circlip BSA B25

Piston Circlip BSA A10/A65 Various
Italien Design

Piston Circlip BSA A7 f. Gandini

Piston Circlip Triumph T20/3T/3TA
Made in England

Circlip for Italian Pistons Triumph T100/T120

Circlip for Hepolite Pistons BSA B175

Norton Twin 500 cc Piston Rings +020
GPM
66.5 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.

Villiers Piston 98cc 1938-47 +030
50mm +030 (50.75mm)
Hepolite

BSA Piston NOS 149 cc 1934/6 +060
Bore: 52mm +060
Alloy

OHV
Model: X34-0, X35-0, X36-0
C.R: 7 to 1
STD = 52 mm

Villiers Piston +040
Bore: 50mm +040 (51mm)
Hepolite

Villiers Piston for Models XXVA, XVIIIA 250cc 1935-40 +030
63mm +030 (63.75mm)
Hepolite

JAP Piston +020
57.5mm +020 = 58mm
Hepolite
Gudgeon Pin: 15.4mm
Compression Height: 26.9mm

only one compression ring
no oil ring
no circlips

Matchless Piston +040 500ccm
1935-36 O.H.V
Bore: 82.548mm +040
D90 G90
Hepolite
Sports Clubman
with Rings, Circlips a. Gudgeon Pin
NOS

Villiers Piston +STD 147cc 1948/49
CR 8.25-1
55mm Std. 2.1653"
Hepolite Heplex

Cylinder with Piston used
Bore: 70mm

no warranty - for restoration

BSA Cylinder B31 used
Bore: 71.5 mm

no warranty- for restoration BSA B31 Piston Complete +04071 mm Diameter = STD+040 = 72 mm 

Triumph Stainless Caliper Piston
OD: 41.2mm
ID: 21.4mm
Made in England