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1 Pair of pistons, incl. pinion, circlips and piston rings
Made in Italy
Compression ratio: 8.25:1
+060=71.5 mm
Gandini

for Iron and Alloy Head 1950-62
Piston Clearence 0.12mm or 45thou

Pre Unit TR6,T120,T110 650cc Ratio 7:1,
+20 = 71.5 mm
price pair
Alloy Head Pre Unit
Triumph.

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 with Piston Rings, Circlips and Gudgeon Pin

Norton 600cc 650cc Piston. Pair GPM +20
68,5 mm Diameter, new
at 600 cc Compr. Ratio: 7.4:1
at 650 cc 8.25:1
middle gudgeon pin-top: 40 mm
Gudgeon pin diameter: 17. 5 mm - 11/16"

Piston Clearance 0.12mm or 45thou
297 g weight
Mod. 77 v- 1956-58
Mod. 99 1956-62
Nomad 1968
650 1960-63
Mod. 99SS 1961-62
650 SS 1961-70
including gudgeon Pin, piston rings and circlipsprice per pairPlease look at all pictures
 

Hepolite, 67 mm, std., new, No.5738
Pin diam. 19 mm
Compr. hight: 28 mm

with rings, light rust

pin good

with circlips

Compr. ratio 7:1, new,
std. = 71 mm
price per pr
Cast Iron Head - please do not fit to alloy head
Pre Unit
6T
71mm
Thunderbird.
650cc

Piston Clearance 0.12mm or 45thouwith Piston Rings, Circlips and Gudgeon pinmeasurements see techn. data

Triumph Piston 250 cc, OHV, Hepolite
std. new, No. 12581

no rings,
no pin, with circlips

TRIUMPH
12581
63 mm
Heplex
compression 7:1

+20 = 79.5 mm GPM, cpl.
compr. ratio 9.4:1
Made by GPM
Middle gudgeon pin to lowest point of piston: 29 mm
Middle gudgeon pin to highest point of piston: 41,5 mm
Gudgeon pin diam. 19 mm

can be used f. Norton
Piston Clearance 0.12mm or 45thou with Piston Rings, Gudgeon Pin and Circlips
 

Alloy Front Mudguard/Fender
f. 21 inch
suitable f. comp.
Universal
Not polished.

1=100cm
2=25cm
3=76cm
4=12.5cm
5=2.5cm
6=10.5cm

Description f. Measurements in Pictures Made in England. This is not a Wassell product.

Triumph 3TA/T90/T21 Pistons +060
STD. 58.25mm +060 (59.75mm)
Price per Pair

Piston Clearance 0.12mm or 45thou
Made by GPM, Italy
Compr. ratio 7,5:1 including gudgeon Pin, piston rings and circlips

BSA Piston NOS
diam. 86.3 mm + 030
Total Hight. 90 mm
Compression Hight: 31 mm
Gudgeon Pin Diameter: 19.5 mm
1 Piston ring only
rusty gudgeon pin
new, old stock

f. 8 and 9-stud Cylinder Barell T120, TR6, 6T, 650 cc, Hepolite, new, Price per Pair.
Triumph 650cc
+40= 72 mm
Compression Ratio: 9:1
Piston Clearance 0.12mm or 45thou

Norton Piston 16H 500cc SV-Models +020
1931-58
Bore: 79mm +020
(=79.5mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

with one Oilring
no Gudgeon Pin
no Circlips

Norton Piston 16H 500cc SV-Models +020
1931-58
Bore: 79mm +020
(=79.5mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

no piston rings, gudgeon pin, circlips

Norton Piston 16H 500cc SV-Models +020
1931-58
Bore: 79mm +020
(=79.5mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

no piston rings
no gudgeon pin
no circlips

Norton Piston 16H 500cc SV-Models +020
1931-58
Bore: 79mm +020
(=79.5mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

with piston rings and gudgeon pin
without circlips

Norton Piston 16H 500cc SV-Models +020
1931-58
Bore: 79mm +020
(=79.5mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

no piston rings, gudgeon pin, circlips

Norton Piston 16H 500cc SV-Models +020
1931-58
Bore: 79mm +020
(=79.5mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

with Circlips
no gudgeon pin
no piston rings

Norton Piston 16H 500cc SV-Models +020
1931-58
Bore: 79mm +020
(=79.5mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

with gudgeon pin
no piston rings
no circlips

Norton Piston 16H 500cc SV-Models +020
1931-58
Bore: 79mm +020
(=79.5mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

no piston rings, gudgeon pin, circlips

Norton Piston 16H 500cc SV-Models +040
1931-58
Bore: 79mm +040
(=80mm)
Gudgeon Pin Diameter: 22 mm
Compr. Hight: 33 mm

with gudgeon pin
no piston rings
no circlips

Norton Piston 16H 500cc SV-Models +040
1931-58
Bore: 79mm +040
(=80mm)
used

Pin Diameter: 22 mm 7/8"
Compr.- hight: 33 mm

with gudgeon pin
no piston rings
no circlips

Royal Enfield Piston 250cc Hepolite
1934-39 +040

-1935/36: S.V.B.
- 1934-39: O.H.V. Bullet

64mm +040 (=65mm)

Compression Height: 31.7mm

Royal Enfield Piston 250cc
1939/40 +060
64mm +060 (=65.5mm)

Hepolite

Compression hight: 31 mm
Gudgeon pin diameter 19 mm 3/4"
Total hight 65 mm

Royal Enfield Piston 350cc 1940 O.H.V. Std.
69.874
Compression High: 34mm
Gudgeon Pin DM: 19mm

New, old stock
Hepolite

Piston Std.
82mm Std.
Diameter Pin: 20,7mm - 13/16"
Compression Height: 33.6mm