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New Imperial 250cc Hepolite pistonModel 30. 30DL
4049
68 mm Diameterused or NOS, no guarantee1933-1936Mod. 30, 30TLPlease look at all pictures

+040
15304

61.05mm

with Gudgeon Pin
no Piston Rings

59.65mm

no Gudgeon Pin
no Piston Rings

M1710
62.9mm

with Gudgeon Pin and Piston Rings

62mm

no Gudgeon Pin
no Piston Rings

59.6mm

with Gudgeon pin
no Piston Rings

Heplex
13952
+030
58.8mm

OHV
Model: T21, 3TA
C.R: 7.5 to 1
STD = 58.25 mm

with Piston Rings
no Gudgeon Pin

for restoration - no warranty

Heplex
7879
+020
73.4mm

with rusty Piston Rings and Gudgeon Pin Compression hight is 40 mm Gudgeon pin diameter 20 mm

E6884
68.75mm

with Gudgeon Pin and Piston Rings

15762
71.3mm

with Gudgeon Pin and Piston Rings

65mm

no Gudgeon Pin
no 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

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

8267
+060
64.4mm

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

no Gudgeon Pin
no Piston Rings
for restoration , no warranty

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

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