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BSA Sloper 500cc JP Piston +020 1927-32+020 = 80.5 mmO.H.V. S27, S28, S29, S30-12, S30-13, S30-19, S31-9, S31-10, S32-8, Sloping and Vertical Engines, CR = 5.8:1Piston Clearance: 0.12mmPin DM: 3/4"With Circlips, Piston Rings and Gudgeon PinPlease look at all pictures

BSA Sloper 500cc JP Piston STD 1927-32STD=80 mmO.H.V. S27, S28, S29, S30-12, S30-13, S30-19, S31-9, S31-10, S32-8, Sloping and Vertical Engines, CR = 5.8:1Piston Clearance: 0.12mmPin DM: 3/4"With Circlips, Piston Rings and Gudgeon PinPlease look at all pictures

BSA Sloper 500cc JP Piston +040 1927-32+040 = 81 mmO.H.V. S27, S28, S29, S30-12, S30-13, S30-19, S31-9, S31-10, S32-8, Sloping and Vertical Engines, CR = 5.8:1Piston Clearance: 0.12mmPin DM: 3/4"With Circlips, Piston Rings and Gudgeon PinPlease look at all pictures

BSA 500cc JP Piston +060 1927-32 +060= 81.5 mmO.H.V. S27, S28, S29, S30-12, S30-13, S30-19, S31-9, S31-10, S32-8, Sloping and Vertical Engines, CR = 5.8:1Piston Clearance: 0.12mmPin DM: 3/4"With Circlips, Piston Rings and Gudgeon PinPlease look at all pictures

Ariel SV 600cc. 550 cc JP Piston +060. 87.9 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 

Ariel SV 600cc. 550 cc JP Piston +020. 86.9 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

Ariel SV 600ccm GPM Piston +030 = 87. 2mm 1931-1932 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

Ariel SV 600cc. 550 cc JP Piston +STD. 86.38mm1931-1932 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

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 Piston STD. 85 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 Bitte alle Bilder ansehen einschl. Kolbenringen, Kolbenbolzen, Sicherungsringen Kolbeneinbauspiel  0.12mm or 45thou

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

BSA/Triumph Kickstart Spring B25/C15 late B40 /B44/TR25

Made in England

Bolt 2.17/32" x 5/16" 26TPI CEI AJS/Matchless/Norton

Triumph 750cc. Trident. 4-Speed Gear Cluster 57-4175 Mainshaft & 16T Gear 3 Cylinder 4SP 57-4335. Gear Mainshaft 2nd 20T 57-3889 Gear Mainshaft 3rd 23T 57-4346 Gear Mainshaft high 25T STD 3 Cylinder 57-4345 Layshaft Assy 4Sp STD 19T 57-3890 Gear Layshaft 3rd 22T 57-3861 Gear Layshaft 2nd 26T 57-3862 Gear Layshft low 30T   Made in England  

Ajs/Matchless 650cc Pistons. STD.1960 -66 modelswith Piston Rings, Gudgoen Pin and Circlips
8.5 to 1.
72mm STD.
Modle 31. CSR. Monarch.
G12. CSR.
Bore Tolerance 0.12mm=0.0045".
JPPrice per Pair

Ajs/Matchless Pistons Pair 650cc +040.
8.5 to 1
72mm +0.40" =73mm.
Piston Clearance 0.12mm =0.0045"
Marke: JP.
7.5 to 1.
Model 31. CSR.
G12. CSR.2.03125” compression height1960 - 66 modelsPlease look at all pictures

Ariel Piston Red Hunter 500cc +040 = 82.8 mm  1947-58
STD = 81,8 mm
Piston Clearance 0.12mm or 45thou

JP PistonOHV Red HunterVG, VH, VCH, VHACompression ratio 6.3:1incl. piston rings, gudgeon pin and circlipsMeasurements see last pict. and techn. data please534 g incl. rings clips pin

Ariel Piston Red Hunter 500cc +060 = 83,3 mm  1947-58
STD = 81,8 mm
Piston Clearence 0.12mm or 45thou

JP Piston OHV Red Hunter VG, VH, VCH, VHA Compression ratio 6.3:1 incl. piston rings, gudgeon pin and circlips Measurements see last pict. and techn. data please 511 g incl. gudgeon pin

AJS/Matchless 650cc Twin Pistons +020 /Pair
STD = 72mm +020 =72.5mm.1960 -66 models 
Bore Tolarance 0.12mm =0.0045".
Make JP.
8.5 to 12.03125” compression heightMatchless G12

Piston Ring Set / Piston RingsVelocette MAC 350cc +.080

MAC compression Ring: 1/8" thick, deep: 1/8"
oil ring: 5/36" deep 1/8"
bore: 76mm

Ariel Piston Red Hunter 500cc STD = 81,8 mm
Piston Clearence 0.12mm or 45thou

JP Piston OHV Red Hunter VG, VH, VCH, VHA Compression ratio 6.3:1 incl. piston rings, gudgeon pin and circlips Measurements see last pict. and techn. data please  

Triumph Roller Bearing C3
MRJA1.1/8JC3
RRS 5

OD: 2 13/16" - 71.4mm
ID: 1 1/8" - 28.6mm
H: 13/16" - 20.6mmDrive side engine roller bearing Triumph T120

Made in England