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Main Stand used

for restoration - no warranty

Douglas Piston 500cc 1933-35 O.H.V

Norton Piston 16H 500cc S.V +020
Bore: 79mm +020 (79.5mm)

Norton Piston 16H 500cc S.V +030
Bore: 79mm +030

Norton Piston 16H 500cc S.V +030
Bore: 79mm +030

Royal Enfield Piston 250cc
1939/40 +060
64mm +060 (=65.5mm)

NOS

Ariel Piston Std.
Bore: 61mm

OHV
Model: Red Hunter, LG, LH, De luxe, OG, OH
C.R: 7 to 1
STD=61mm
new, old stock

Ariel Piston +040
Bore: 61mm

OHV
Model: Red Hunter, LG, LH, De luxe, OG, OH
C.R: 7 to 1
STD=61mm
new, old stock

Royal Enfield Piston Std.
Bore: 70mm
no rings a. circlips

Royal Enfield Piston Std.
Bore: 54mm

JAP Piston Hepolite
Bore: 60mm +030
Outside diameter: 60.7mm
Gudgeon Pin diameter: 14.5mm
Bottom to middle of gudgeon pin: 31.25mm
Middle of gudgeon pin to top edge of the piston: 22.25mm

JAP Piston 98cc +040
51.5 mm +040 = 52.5mm

Ariel Piston Red Hunter Models 1934-36 +060
STD/Bore: 61mm +030 = 61.5mm
OHV
Model: LH, Red Hunter, LG, LH, De luxe, OG, OH
C.R: 6 to 1
Hepolite Heplex

new, old stock

JAP Piston 98cc +040
Bore: +040 = 65.5mm
Gudgeon Pin Diameter: 15.5mm
Compression Height: 30.25mm
Hepolite

Ariel Piston Std.
Bore: 60mm
NOS

Villiers Piston 57mm Std. no gudgeon pin, circlips piston rings rusty and stuck

Villiers Piston 60mm Std.

Villiers Piston Mark 31C/3T 148cc/324cc
57mm 0+15

Villiers Piston for Models XXVA, XVIIIA 250cc 1935-40 +060
63mm +060 (64.5mm)

Villiers Piston 50 mm +060
(=51.5mm)

Villiers Piston DeLuxe Junior 98cc +060
50mm +060 (51.5mm)

Triumph Piston up to 1939 +030
63mm +030 (63.75mm)

Triumph Piston up to 1939 +030
63mm +030 (63.75mm)

Villiers Piston 197cc 1938/40
59mm +060 (60.5mm)

Villiers Piston 197cc 1938/40
59mm +060 (60.5mm)