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BSA 500cc. 557 cc. 595 cc  Piston +030 1934-36  85,75 mmCompr. 1 3/8"  Length 3 7/16"Gudgeon Pin 3/4"1934 499 cc OH Special Low Comp. Blue Star W34-91932/3 557 cc SV H32-9,  M33-10, CR 4.9:11932/6 499 cc SV W32-6, W33-6, W34-7, W35-6, W36-6 CR 4.4:11932/5 499 OHV W32-7, W33-7, W34-8, W35-7, Two Port CR 5.8:11934/6 595 cc SV M34-12, M35-10, M36-10 CR 4.8:11934/5 595 cc OHV  M34-13,  M35-11, Two Port CR 5.5:1Please look at all picturesincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures

BSA 500cc.  557 cc. 595 cc  Piston +040. 86 mm 1934-36Compr. 1 3/8"  Length 3 7/16"Gudgeon Pin 3/4"1934 499 cc OH Special Low Comp. Blue Star W34-91932/3 557 cc SV H32-9,  M33-10, CR 4.9:11932/6 499 cc SV W32-6, W33-6, W34-7, W35-6, W36-6 CR 4.4:11932/5 499 OHV W32-7, W33-7, W34-8, W35-7, Two Port CR 5.8:11934/6 595 cc SV M34-12, M35-10, M36-10 CR 4.8:11934/5 595 cc OHV  M34-13,  M35-11, Two Port CR 5.5:1Bitte alle Bilder ansehenincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures

BSA 500 cc 557 cc. 595 cc  Piston +020. 85.5 mm 1934-36Compr. 1 3/8"  Length 3 7/16"Gudgeon Pin 3/4"1934 499 cc OH Special Low Comp. Blue Star W34-91932/3 557 cc SV H32-9,  M33-10, CR 4.9:11932/6 499 cc SV W32-6, W33-6, W34-7, W35-6, W36-6 CR 4.4:11932/5 499 OHV W32-7, W33-7, W34-8, W35-7, Two Port CR 5.8:11934/6 595 cc SV M34-12, M35-10, M36-10 CR 4.8:11934/5 595 cc OHV  M34-13,  M35-11, Two Port CR 5.5:1Please look at all picturesincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures

BSA 500cc. 557 cc. 595 cc  Piston +060. 86.5 mm 1934-36Compr. 1 3/8"  Length 3 7/16"Gudgeon Pin 3/4"1934 499 cc OH Special Low Comp. Blue Star W34-91932/3 557 cc SV H32-9,  M33-10, CR 4.9:11932/6 499 cc SV W32-6, W33-6, W34-7, W35-6, W36-6 CR 4.4:11932/5 499 OHV W32-7, W33-7, W34-8, W35-7, Two Port CR 5.8:11934/6 595 cc SV M34-12, M35-10, M36-10 CR 4.8:11934/5 595 cc OHV  M34-13,  M35-11, Two Port CR 5.5:1SloperPlease look at all picturesincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease look at all pictures

BSA 500cc. 557 cc. 595 cc  Piston +080. 87 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 Sloper Please look at all pictures including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Please look at all pictures

AJS Piston 497 cc. 1956- OHV. 18CS/G80CS +020
STD= 86 mm
+20 = 86,5 mm
CR 8.7:1
Measurements see last picture please
JPincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease view ALL Pictures

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

Ariel SV 600cc. 550 cc  GPM Piston +040. 87.4 mm1931-1932 550 cc SV. SB21, SB32, SB31 Sloper1932-1932 550 cc SV. VB, VB33 Vertical Engine1933-1935 550 cc SV. VA, VA41936-1958 600 cc SV. VBGudgeon Pin diameter 13/16“ = 20.5 mmMeasurements - please see last picture or techn. DataMade in Australiaincl. Piston Rings, Gudgeon Pin and CirclipsPiston Clearence 0.12mm or 45thou

AJS Mod.18. 18S/G80. G80S Piston 500cc Alloy Head 1947-56  +060 = 84 mmCompression Ratio 7.2:1including gudgeon Pin / wrist pin, piston rings and circlips
Piston Clearence 0.12mm or 45thou
compression height:  1 13/16 = 46 mm
H: 81mm
Pin Diameter: 22mmplease view ALL pictures

AJS Mod.18. 18S/G80. G80S Piston 500cc Alloy Head 1947-56  +030= 83.3 mmincluding gudgeon Pin / wrist pin, piston rings and circlips
Piston Clearence 0.12mm or 45thou
Diameter: 83.3mm
compression height:  1 13/16 = 46 mm
H: 81mm
Pin Diameter: 22mmCompression Ratio 7.2:1

 AJS/Matchless Piston 497 cc. 1956- OHV. 18CS/G80CS STD
STD= 86 mm

CR 8.7:1Measurements see last picture pleaseJPincluding gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouPlease view ALL Pictures

Triumph 5T Pre Unit Piston 63mm / +020T100 Low Compression
Compression: 7:1
Piston Clearance 0.12mm or 45thouincl. Piston Rings, Circlips and Gudgeon PinPrice per pairPlease look at all pictures

Triumph 5T Pre Unit Piston 63mm /STD.T100 Low CompressionCompression: 7:1
Piston Clearance 0.12mm or 45thou
with piston rings, circlips and gudgeon pinPrice per pair
Made in England

Triumph T20s Tiger Cub. Piston 9:1 STD63,00mmPiston clearance 0,12 mmincluding gudgeon pin, circlips and piston rings

Triumph T20 Tiger Cub. Piston  9:1  +04064mmpiston clearance 0,12 mm or 45 thouincluding gudgeon pin, circlips and piston ringsPlease look at all pictures 

Triumph T20s Tiger Cub. Piston 9:1 +060 = 64.5 mmpiston clearance 0,12 mm or 45 thouincluding gudgeon pin, circlips and piston rings 

BSA A75. Triumph T150 Piston +060 Set Cast Alloy060= 68.5 mmCompression ratio 9:1including gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouset of 3Please look at ALL pictures

Triumph Piston Ring Set / Piston Rings 5TA,T100T,T100A, T100SS,T100R,T100C +040
1957-73

STD=69.00 +040= 70.00mm

R13570.70-3829.70-3831.70-4135.
70-4136.CP175.E3829.E3831.E4135.
E4136

Triumph Piston Ring Set / Piston Rings +040
- 64mm
5T/T100/TR5 500 cc
Pre Unit
 

Triumph 650cc Piston Ring Set / Piston Rings1951-73 +040 = 72mm 1951-73Top ring and middle ring: 1/16" thick - 3 mm deepBottom Ring: 1/8" thick - 3mm deepPlease look at all pictures

Triumph 650cc Piston Ring Set / Piston Rings1951-73 +060 = 72.5mm
Top ring and middle ring: 1/16" thick - 3 mm deepBottom Ring: 1/8" thick - 3mm deepPlease look at all pictures

Triumph 750cc Piston Ring Set / Piston Rings STD.
76mm

Triumph 750cc Piston Ring Set / Piston Rings +020

Triumph 500 cc P/U.
Piston Ring Set / Piston Rings +020
5T,T100,T
NOS
Hepolite
1938-59
STD=63mm
+020= 63.50mm

Triumph 500cc P/U.
Piston Ring Set / Piston Rings +030
5T,T100,TR5
NOS
Hepolite
1938-59
STD= 63 mm
+030= 63.75mm