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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

Piston Nos Rudge 2 an 4 valve

Heplex
3463
STD
62.4mm Gudgeon Pin  5/8" = 15,87 mm Please look at all pictures

Carburettor Body used

for restoration - no warranty

Carburettor Body used

for restoration - no warranty

Carburettor Body used

for restoration - no warranty

Royal Enfield Bullet Spare Parts Catalogue
144 Pages, original
Nov. 2004

Triumph Fork Leg used

for restoration - no warranty

Triumph Fork Leg used
for restoration - no warranty

Triumph Fork Leg used

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

Royal Enfield Hepolite Heplex. 350cc SV 1929-39
Mod. C Mod. F G35
2768
STD = 69,849 mm +060 = 71.4 mm Please view ALL Pictures incl. Piston rings and Gudgeon pin - Rusty

Hepolite
New Imperial
5785
+040
66.94mm

with rusty Gudgeon Pin and Piston Rings

71mm

no Gudgeon Pin
no Piston Rings

Piston NOS 71mm

Hepolite
New Imperial 5770
STD
55mm
1937/8
150cc

with Gudgeon Pin and Piston Rings

Triumph
1748
2274
+005
55mm

with Gudgeon Pin and Piston Rings