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Heplex NOS
5338
+60
64.4mm

1935/6 250 ccm OHV Model: De Luxe, 35/3, B2, B18
1934/6 500 cc OHV Model: Twin, J34/11, J35/12, J36/12
C.R: 7.25 to 1
STD = 63 mm

for restoration - no warranty

BSA A50. 15934. NOS.
7709
+30
66.25mm

with Gudgeon Pin and Piston Rings Please view all pictures

BSA Piston used
66.4mm

with Gudgeon Pin
no Piston Rings

for restoration - no warranty

Piston NOS
Hepolite
Triumph
70-9488
17797
71mm

with Gudgeon Pin

for restoration - no warranty

Hepolite
18140
71/131
63mm

BSA Piston NOS
7610
+60
64.6mm

with Gudgeon Pin

for restoration - no warranty

BSA Piston NOS
51.25mm
17295
STD

with Gudgeon Pin and Piston Rings

for restoration - no warranty Please view all pictures

Heplex
4638
14005
STD
59.7mm

with rusty Gudgeon Pin

AJS Piston used
Hepolite
AJS
3185
83mm
STD=82.5mm
SV Model 4, 9, 14
OHV Model 8, 9, 18, 18T, 8SS, 18SS
C.R. 5 to 1

no Gudgeon Pin
no Piston Rings

Piston

Hepolite
3135
STD
82.5mm

Piston 1227 +40 83mm

Gudgeon Pin D: 17.9mm
Compression Height: 41.95mm
Total Height: 81.8mm

Hepolite
3185
STD
AJS
82.2mm
STD=82.5mm
SV Model 4, 9, 14
OHV Model 8, 9, 18, 18T, 8SS, 18SS
C.R. 5 to 1

with Piston Rings
no Gudgeon Pin

Hepolite
BSA
Type C
7149
+060
63mm

OHV
Model: B21, Sports
STD = 63 mm
new, old stock

Piston used
1405. 66mm

Heplex

350 OHV
71mm
5123
STD

with Gudgeon Pin and Piston Rings
for restoration - no warranty

Hepolite
5208
+30
63.6mm

W139
66mm

Piston NOS
3463. 63.3mm

Heplex
3463
+30
63.3mm

Carburettor Body used

for restoration - no warranty

Carburettor Body used

for restoration - no warranty

Carburettor Body used

for restoration - no warranty

Triumph Fork Leg used

for restoration - no warranty

Triumph Fork Leg used
for restoration - no warranty

Triumph Fork Leg used

for resoration - no warranty

Ariel Piston
9141
+020
Diameter: 72.4mm
Diameter f. gudgeon pin: 20.5mm
Compression Height: 37.25mm

new, old stock
with piston rings
no gudgeon pin