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Norton
8617
+020
79.1mm

S.V., 16H, W.D.
STD = 79 mm

no Gudgeon Pin
no Piston Rings
new, old stock

Heplex
Norton
8617
1747
+20
79.4mm

S.V., 16H, W.D.
STD = 79 mm

with rusty Gudgeon Pin
new, old stock

NORTON
8617
+20
79.4mm

S.V., 16H, W.D.
STD = 79 mm

with rusty Gudgeon Pin
no Piston Rings
new,old stock

2 3/4"-69.5mm +020
16mm pin

BSA Silver Star, Empire Star M23 500cc Piston +020 1937-40 Compression Ratio: 7.2:1 Comp. Height: 1.390" (35.32) DBB: 1.377" (35.00) Length: 2.865" (72.78) Rings Comp: 2*1/16" Rings Oil: 1*4mm P Oil Pin OD: 750" Pin Lenght: 2.812 STD Bore Size: 82mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Please look at all pictures

Amal Gasket Set for Amal Carburetter/Flange MKII Concentric

f. 2000. Ser. Carb
2622.
2624.
2626.
2928.
2930.
2932.
2934.
2936.
2938.
2940. Made in England includes 116/162, 14/175, 376/067, 376/074, 376/078, 376/092, 622/101

BSA 500 cc 557 cc. 595 cc  Piston +020. 85.5 mm 1934-36 Compr. 1 3/8"  Length 3 7/16" Gudgeon Pin 3/4" 1934 499 cc OH Special Low Comp. Blue Star W34-9 1932/3 557 cc SV H32-9,  M33-10, CR 4.9:1 1932/6 499 cc SV W32-6, W33-6, W34-7, W35-6, W36-6 CR 4.4:1 1932/5 499 OHV W32-7, W33-7, W34-8, W35-7, Two Port CR 5.8:1 1934/6 595 cc SV M34-12, M35-10, M36-10 CR 4.8:1 1934/5 595 cc OHV  M34-13,  M35-11, Two Port CR 5.5:1 Please look at all pictures including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Please look at all pictures

Norton CS1 490cc O.H.V. 18. Piston +020. 1929-30 complete incl. Piston Rings, Gudgeon Pin and Circlips JP Piston Cylinder Bore: 79mm Comp.: 1 27/32" Length: 3 1/16" Piston Clearence 0.12mm or 45thou Pin: 5/8" x 2 19/32" Please look at all pictures  

Triumph 3T Piston +020 used

for restoration - no warranty Outside Diameter = 55.5 mm no gudgeon pin - hole size: 9/16" = 14.2 mm Compression hight 1/4" =  31.8 mm

Ajs/Matchless Piston Ring Set / Piston Rings +020 AMC 350 1948-65

Diameter: 69.5mm Compression Rings are 1,6 mm x 2,9 mm - 1/16“ x 1/8“ Oil Ring 3 mm x  2,8 mm

BSA Piston B33/M33 1954-60 +020 with piston rings, circlips and gudgeon pin
Made in Italy
+020=85.5 mm

Gudgeon Pin Diameter: 19mm
Middle Gudgeon Pin to TOP: 43.5 mm
Piston Clearance 0.12mm or 45thou
Compression Ratio: 7.25:1
65-1613 Conrod

BSA B50 Piston Ring Set / Piston Rings +020
500cc
STD=84mm+020

Gandini   Compression Ring:  thickness 1,6 mm Oil Ring Thickness: 4 mm

Piston used +20
16506
+020
68.2mm

with Gudgeon Pin

for restoration - no warranty

BSA A50 Piston Ring Set / Piston Rings +020
500cc
STD = 65.5 mm
+020= 66 mm   Thickness 4 x 1,6 mm and  2 x 3,3 mm

not Made in England

BSA A10 650cc Piston Ring Set / Piston Rings 1950-63 /+20
STD= 70mm +20= 70.5mm
Compression Rings Width: 2.85mm, Thickness: 1.65mm
Oil Ring Width: 2.85mm, Thickness: 3.15mm

Gandini

Heplex Piston +20
12871
616820
70,2mm

with Gudgeon Pin and Piston Rings

Triumph Front Engine Plate Stud 500cc

4.5/16 x 5/16"UNF/24TPI both ends

Made in England

Norton 600/650cc 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
 

Norton Rear Chain Adjuster P11 / P11A 5/16. 26TPI Made in England

BSA Cylinder Base Stud A65
1.3/4" x 3/8" 24TPI UNF/16TPI UNC 3/8" UNF to UNC 1.11/16"

Made in England

Norton Inlet & Exhaust Valve 16H 1938-56 & WD
(V29)
Made in England

L: 132.6mm = 5.240"
D: 41.2mm = 1.625"
Stem: 8.7mm = 0.342"

Heplex
8645
+020
1636
70.4mm

with Gudgeon Pin
and Piston Rings

7162
+020
72.4mm

with Gudgeon Pin and 2 Piston Rings

BSA Piston Heplex
7151
+020
63.5 mm
Gudgeon Pin Diameter: 16 mm - 5/8"
with Gudgeon Pin and Piston Rings Please view all Pictures

BSA A7 Piston Pair +020 Compression Ratio   7,5:1 Compression height    approx. 41 mm Piston length approx.. 68 mm Gudgeon pin Ø  11/16” – approx.. 18 mm Gandini including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per Pair