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11062
69.85mm
Pat No. 616820

OHV
Model: FH Huntmaster
C.R: 7.25 to 1
STD=69.989mm

with Gudgeon Pin
no Piston Rings

Piston used 16945

16945
+040
67.95mm

with Gudgeon Pin

19916
+040
67.85mm

with Gudgeon Pin

Nüral

with Gudgeon Pin and Piston Rings
Diameter: 69.9mm

64.9mm

with Gudgeon Pin
1 Piston Ring missing

73.3mm

with Gudgeon Pin and Piston Rings

Hepolite, 61 mm, std., new, No. 4489

OHV
Model: Red Hunter, LG, LH, De luxe, OG, OH
C.R: 7 to 1
STD=61mm

with pin, light rust
new,old stock

Piston used

53.9mm

no Gudgeon Pin
no Piston Rings

+030
64.55mm

rusty Gudgeon pin
2 Piston Rings missing

BSA Valve Spring Set C11 C12 C11G

Outer Springs
OD: 33,3 mm
ID: 25,3
L: 49 mm
Thread Diam.: 4 mm

Small Springs:
OD: 21.6 mm
ID: 16. 5 mm
L: 37.4 mm
Thread Diameter: 2.5 mmValve Springs

19233A
+040
75.8mm 9:1 Compression
with Gudgeon Pin and Piston Rings Please look at All pictures

Piston Used

3.35mm

Wellworthy
1088
+020
78.15mm

no Gudgeon Pin
1 Piston Ring missing

72.7mm

no Gudgeon Pin
no Piston Rings

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

TRIUMPH
Heplex
10500
+030
55.75mm

OHV
Model: De Luxe 3T, Twin
C.R: 6.3 to 1
STD = 55mm

62mm

no Gudgeon Pin
no Piston Rings

59.6mm

with Gudgeon pin
no Piston Rings

Villiers
46.8mm

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

compression ratio 7:1,
STD=71mm
price per Pair
Triumph, TR6,T120,T110 650cc
Alloy Head pre unit + Iron Head
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
complete with Piston Rings, Gudgeon Pin and Circlips

Brake Shoes for Conical Hub 8" /Pair

T120 T140 O.I.F.
A65 etc. O.I.F.

2 REQD