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Piston NOS 50.9mm +40

Heplex
+40
50.9mm

with Gudgeon Pin and Piston Rings

Hepolite
11564A
71.45mm

OHV
Model: 6T, Thunderbird
C.R: 7 to 1
STD = 71 mm

no Piston Rings
no Gudgeon Pin

for restoration - no warranty

Triumph
19500
STD
54.8mm

7150
1633-35
63.35mm

1933/57 SV Model: B1, B20, C10, C10L
1935/6 OHV Model: B2, B18
STD = 63 mm

no Gudgeon Pin
no Piston Rings

for restoration - no warranty

Heplex
14005
4638
59.9mm

with rusty Gudgeon Pin

8267
+060
64.4mm

OHV
Model: C11, C11G, C12
STD = 63 mm

no Gudgeon Pin
no Piston Rings
for restoration , no warranty

Triumph
E3748
+020
67.5mm

Heplex
5726
+40
70.75mm

with Gudgeon Pin

82.55mm

no Gudgeon Pin
no Piston Rings

New Imperial
3522
+20
86.3 mm

with Gudgeon Pin and Piston Rings

Compression Height: 22 mm

measurements see last pict.

E6884
68.85mm

with Gudgeon Pin and Piston Rings

17982
STD
70.85mm

with Gudgeon Pin and Piston Rings

Heplex
12252
STD
60mm
new, old stock

OHV
Model: LH, Colt 200
C.R: 7.5:1
STD = 59.99 mm

59.7mm

no Gudgeon Pin
no Piston Rings

Piston used
53.1mm

2564
53.1mm

13423
+20
63.15mm

OHV
Model: Tiger 100, Trophy TR5
C.R: 9 to 1, high comp.
STD = 63 mm

with rusty Gudgeon Pin
Piston Rings missing

for restoration - no warranty

STD
34.85mm

with Gudgeon Pin and Piston Rings

7754-10
+20
54.15mm

with Piston Rings
no Gudgeon Pin

3177
75mm
+40

with rusty gudgeon pin and Piston Rings

71.8mm

no Gudgeon Pin
with Piston Rings

Piston NOS
13543 3543A 79.1mm

BSA Piston NOS B-40
13530A
+040
80.3mm

with Gudgeon Pin
1 Piston Ring is missing Please view all pictures

7522
75.2mm

with Gudgeon Pin
no Piston Rings

1957-1958. 248cc. 8.3 :1. Crusader 250.Heplex. 13813. 69.8mm.

no Gudgeon Pin
no Piston Rings

Hepolite
5208
+040
64.35mm

with Gudgeon Pin
no Piston Rings