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Size: M

Size: S

LEVIS
1379
2932
+060
71.3mm

with rusty Gudgeon Pin

AJS/Matchless Headlight Brackets /Pair
used - for restoration - no warranty
Inside diameter 1 3/4" or 44mm

LE Velocette Radiator Hoses /Pair
used

for restoration - no warranty

Pre Unit TR6,T120,T110 650cc Ratio 7:1,
+20 = 71.5 mm
price pair
Alloy Head Pre Unit
Triumph.

if you wish to lower the compression of an iron head engine, these pistons can be used. Giving approx. 6.76:1

Piston Clearance 0.12mm or 45thou with Piston Rings, Circlips and Gudgeon Pin

PistonNOS
80mm= +040th

Compression Height: 35mm
Total Height: 84mm
Gudgeon Pin Diameter: 22mm

NORTON
8617
+20
79.4mm

S.V., 16H, W.D.
STD = 79 mm

with rusty Gudgeon Pin
no Piston Rings
new,old stock

Piston used
+30 79.5mm

NORTON
8617
STD
78.9mm

S.V., 16H, W.D.
STD = 79 mm

no Gudgeon Pin
no Piston Rings
new, old stock

JAP TYPE
13102
57.5mm +020 = 58 mm
288cc
see measurements last pict.
with Gudgeon Pin no rings, no circlips

NEW IMP
930
+040
69.9mm

with Gudgeon Pin and Piston Rings

NEW IMPERIAL
4049
+020
67mm
Compression Height: 28.7mm
Gudgeon Pin diameter: 5/8" - 15.9mm
Total Height: 63mm

NEW IMPERIAL
4240
STD
55mm
1932

with Gudgeon Pin and Piston Rings

Triumph
12581
STD
63mm
Heplex

OHV
Model: Tiger Cub, T20
C.R: 7 to 1
STD = 63 mm

incl. gudgeon pin, rings, circlips

NEW IMPERIAL
7324
STD
70mm

with Gudgeon Pin and Piston Rings

BSA
7149
1834-2
63mm
+020
250 sport
1917

OHV
Model: B21, Sports
STD = 63 mm
new, old stockcompression hight 1"Gudgeon pin 5/8"Please look at all pictures

BSA
10877
STD
76.199MM

with Gudgeon Pin and Piston Rings
new, old stock

NEW IMPERIAL
5773
+020
62.6mm

with Piston Rings and Gudgeon pin

Norton Piston 16 H +20, Original, Wellworthy NOS

JAP. J.A.P.
11614
+060
51.5mm

with Gudgeon Pin and Piston Rings

5773
STD
62.1mm

15784
54.7mm

with rusty Gudgeon Pin and Piston Rings

NEW IMPERIAL
5770
STD
55mm

with rusty Gudgeon Pin and Piston Rings

JAP
9855
+020
13229
51.9mm

with Gudgeon Pin
no Piston Rings