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JAP Piston
Hepolite
51.5 mm +060 = 53mm
incl. gudgeon pin /rusty
incl. piston rings

f. 8 and 9-stud Cylinder Barell T120, TR6, 6T, 650 cc, new, Price per Pair. STD = 71 mm complete with piston rings, circlips and gudgeon pin
Triumph 650cc STD
Compression Ratio: 9:1
Piston Clearance 0.12mm or 45thou Make: Federal Mogul

Royal Enfield Piston Bullet/Clipper 350cc 1948-58 O.H.V. +020
69.874mm +020 (=70.374mm)
Hepolite
Gudgeon Pin Diameter: 19mm
Compression Height: 35.5mm

G2, 350 Bullet, 350 Clipper,
Compression Ratio: 6.5:1

One Piston Ring is missing.

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, new,
Price per Pair.
Triumph 650cc
+20= 71,5 mm
Compression Ratio: 9:1

Gudgeon Pin Diameter: 17.5mm
Piston Clearance 0.12mm or 45thou complete with piston rings, circlips and gudgeon pin Fedreal Mogul

BSA Piston M20 +020
82.5mm +020
no piston rings
no pin
no circlips
NOS

BSA Piston M20 +020
82.5mm +020
no piston rings
no gudgeon pin
no circlips
new,old stock please view all pictures

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 350cc 1940 O.H.V. +040
69.874 +040 (=70.874)
Hepolite incl. Piston rings - some rust, circlips, gudgeon pin measurements see last pict.    

Triumph Piston Std. T20 200cc
1954-58
63mm Std.
Hepolite Piston

Triumph Piston Std. T20 Tiger Cub 200cc 1954-58
63mm Std.
Hepolite Piston

Triumph Piston Std. T20 200cc
1954-58
63mm Std.
Hepolite Piston

Norton Twin 500 cc
Piston Ring Set / Piston Rings STD.
GPM
66 mm
Dominator 7,77,88 comp rings. Thick. 0.062" = 1.59mm = 1/16". Comp Ring. Deep. 0.111" = 2.83mm. Oil Ring. Thick. 0.157" = 3.98" = 5/32. Oil Ring. Deep. 0.110" = 2.81mm.

Norton Twin 500 cc
Piston Ring Set / Piston Rings +040
GPM
67 mm
Dominator 7,77,88 comp rings. Thick. 0.062" = 1.59mm = 1/16". Comp Ring. Deep. 0.111" = 2.83mm. Oil Ring. Thick. 0.157" = 3.98" = 5/32. Oil Ring. Deep. 0.110" = 2.81mm.

Triumph 5TA/T100 500cc Piston Ring Set / Piston Rings supplied by LFH Harris

69mm - STD.
1957-73

Piston Covmo +060. 79 mm piston79mm bore19mm pimCompresion hight 39mm

Matchless Piston +030 246cc 
1935-40 O.H.V
+030 = 63,5 mm
Hepolite Heplex
compl. incl. gudgeon pin and piston rings and circlips

OHV
Model: 12, 12M, 22, 22SS, 22T, Silver Streak, Single and 2 Port
C.R.: 6.85:1

new, old stockPlease look at all pictures