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BSA. 250cc. OHV.  H&G Piston STD. 62mm. 1933. Blue Star Jr. B33-3. Dome.
3873.D
with Gudgeon Pin
no Piston Rings. This is not a 500cc piston.

BSA A65 Piston Pair +040 with Gudgeon Pin, Piston Rings and Circlips

+040 = 76 mm
Kompression 9:1
Price per Pair
BSA A65 1963-72Lightning

Gandini
Gudgeon Pin Diameter 19 mm - 3/4"
Compr. hight: 37 mm


Piston Clearance 0.12mm or 45thouPrice per PairPlease look at all pictures

BSA CB/DB Goldstar 350cc Piston STD.
71 mm

Compression 9:1

CB32/DB32
Piston Clearance 0.12mm or 45thouwith Piston Rings, Gudgeon Pin and Circlips

BSA CB/DB Goldstar 350cc Piston 020
71.5 mm
JP Piston

Compression 9:1
Piston Clearance 0.12mm or 45thou
Gudgeon Pin D: 19mm

BSA CB/DB Goldstar 350cc Piston 040
72 mmJP Piston
Piston Clearance 0.12mm or 45thoumiddle Gudgeon to top pin: 40 mmMiddle Gudgeon pin to first step: 33 mmGudgeon Pin 19 mmPlease look at all pictures

BSA B50 Piston 060
85.5 mm
Slipper
Piston Clearance 0.12mm or 45thou
Compression 10:1

Gudgeon Pin Diameter: 18.9mm with Gudgeon Pin, Circlips and Piston rings

BSA B44 Piston Ring Set / Piston Rings +060. Gandini.
also fit the Norton 16H,ES2 and Model 18 Original Piston
+060 = 80.5 mm
please check thickness of rings
1/16" - 1.6mm
Oil ring: 1/8" - 3.14mm

Gandini

BSA Piston complete
8:1 Compression
+20 = 79, 5 mm
Piston Clearence 0.12mm or 45thou
Gudgeon Pin: 19.00 mm
Compression Height: 40.9mm
incl. gudgeon pin, piston, rings, circlips  

Pistons 750 Norton +020
L/H & R/H
Price per Pair
Diameter: 73.5mm

Piston Clearance 0.12mm or 45thou including gudgeon Pin, piston rings and circlips Price per pair

Piston assembly 750 Norton +040
L/H & R/H
Price per Pair
Diameter: 74mm

Piston Clearance 0.12mm or 45thou including gudgeon Pin, piston rings and circlips price per pair

Velocette OHC Piston STD complete with Piston Rings, Circlips and Gudgeon PinBore: 74mm7.5:1Piston Clearence 0.13mm or 45thouGudgeon Pin Diameter: 15.95mmCompression Height: 51mmJPPleas look at ALL pictures

Velocette OHC Piston +020 complete with Piston Rings, Circlips and Gudgeon PinBore: 74.5mmPiston Clearence 0.13mm or 45thouGudgeon Pin Diameter: 15.95mmCompression Height: 51mmJPPlease look at all pictures

Velocette OHC Piston +060. KSS. MKII 1936-1948 74.5 mm7.5:1 complete with Piston Rings, Circlips and Gudgeon PinBore: 75.5mmPiston Clearence 0.13mm or 45thouGudgeon Pin Diameter: 15.95mmCompression Height: 51mmJP

Bsa Sloper Piston. 500cc. 1925-31 STD upright and sloper

Measurements see last pict. gudgeon pin 15,87  mm = 5/8"

S25,S26,S27,S28,S29,S30-9,S31-7 493cc ,SV 1925-31 Please look at all pictures including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

Bsa Sloper Piston. 500cc. 1925-31 +020

Measurements see last pict. gudgeon pin 16 mm

S25,S26,S27,S28,S29,S30-
9,S31-7 493cc ,SV 1925-31 Please look at all pictures including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

BSA A50 500cc Piston Pair STD 1963-70 = 65.5 mm Compression ratio 9:1 Please see measurements in techn. data and last picture Complete incl. Gudgeon pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per Pair  

BSA A50 500cc Piston Pair +020 1963-70 = 66 mmCompression ratio 9:1Please see measurements in techn. data and last pictureComplete incl. Gudgeon pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouprice per pair

BSA A50 500cc Piston Pair +040 1963-70 = 66,5 mm Compression ratio 9:1 Please see measurements in techn. data and last picture Complete incl. Gudgeon pin, piston rings and circlips Piston Clearance 0.12mm or 45thou price per pair

BSA A50 PHC Piston Pair +1,5mm = +060 = 67 mm Piston Clearance 0.12mm or 45thou Peter Hepworth Made in England Compression ratio 9:1 Please see measurements in techn. data and last picture Complete incl. Gudgeon pin, piston rings and circlips price per pair

Triumph 500cc T100T Piston Pair to be fitted after 1967 Made in England including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per pair

Triumph T100T Piston 500cc  +060 PairGudgeon pin Diamter OD: 11/16" = 17,46 mmincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouMade in EnglandPrice per pair

BSA Bantam D7 / D10 175cc Piston +040 1958/66 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou   Made in England

BSA Bantam D7 / D10 175cc Piston +060 1958/66 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Made in England

Norton 16H Piston +040 1931-48 500cc SV, 16H, WD  = 80 mmGudgeon Pin Diameter: 7/8" = 22.22 mmCompression hight 1 3/4" = 44.45 mmLength: 3 5/16" = 84,1375 mmincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures

BSA A65 19233 Piston Pair STD. 75 mm9:1 Compressionincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPrice per PairPlease look at All pictures