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650 ccm, T120,TR6
price per pair
+ 40 = 72mm, 9:1
Triumph
650 unit engine
Made in Englandincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouLFHPiston made in far eastPiston rings in England

1148
+030
60.75mm

with Gudgeon Pin
no Piston Rings

4484
STD
67.35mm

no Gudgeon Pin
Piston Rings are missing

73.2mm

with Gudgeon Pin

BSA Piston. 350cc
15-2400
1849
70.7mm
new, old stock

Piston NOS
2199 +30. 60.7mm

BSA Piston used
90-1461
+30
61.5mm

for restoration - no warranty

73.3mm

with Gudgeon Pin and Piston Rings

+020
63.1mm

with rusty Gudgeon Pin
new, old stock

1517
70-7811
61.45mm

Heplex
5056
STD
81.7mm

with rusty Gudgeon Pin 
2 Piston Rings missing

69.9mm

with Gudgeon Pin
no Piston Rings

Piston Nos

+060
64.4mm

Hepolite
8899
+040
70.8mm

with Gudgeon Pin, Piston Rings and Circlips

Triumph 5TA. 490 cc Pistons STD=69 mmUnit construction
price per Pair
CR 7:1

Piston Clearance 0.12mm or 45thouincluding Piston Rings, Circlips and Gudgeon pinPlease look at all pictures

73.3mm

with Gudgeon Pin and Piston Rings

19916
STD
66.9mm

with Gudgeon Pin and Piston Rings

Hepolite
+040
63.4mm

with Gudgeon Pin
2 Piston Rings missing

Piston used

E35130
M2805
50.6mm

with Gudgeon Pin and Piston Rings

Piston. 45mm

with Gudgeon Pin

13899
4542
STD
49.95mm

with Gudgeon Pin, Piston Rings and Circlips

73.3mm

with Gudgeon Pin and Piston Rings

Piston NOS
+020
65.1mm

with Gudgeon Pin
no Piston Rings

Heplex
3999
+060
61.4mm

with Gudgeon Pin

Villiers
40642
3696/80
59.6mm