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AJS Type Piston Ring Set 1937- Pre Unit 347cc OHV +030
16M, 16 MS. 
Matchless 347 ccm, OHV, G3/L, G3/LS. Heavyweight models. 
01-0465. 
01-3265. 
01-0606. 
01-0605. 
69.056mm/2.23/32 +030 = 69,75 mm
2x 1/16". 
1x 1/8". To fit Hepolite original pistons. 9990. 10465. 13265. 

AJS Type Piston Ring Set 1937- Pre Unit 347cc OHV +010
16M, 16 MS. 
Matchless 347 ccm, OHV, G3/L, G3/LS. Heavyweight models. 
01-0465. 
01-3265. 
01-0606. 
01-0605. 
69.056mm/2.23/32 +010. 
2x 1/16". 
1x 1/8". To fit Hepolite original pistons. 9990. 10465. 13265. 

AJS. Matchless. Pre unit. Pistonring Set 1937- 347cc OHV +060. 16M, 16 MS. 
Matchless 347 ccm, OHV, G3/L, G3/LS. Heavyweight models. 
01-0465. 
01-3265. 
01-0606. 
01-0605. 
69.056mm/2.23/32 +060 = 70.5 mm
2x 1/16". 
1x 1/8". To fit Hepolite original pistons. 9990. 10465. 13265. 

AJS. Matchless. Pre unit. Pistonring Set 1937- 347cc OHV +040. HEP.16M, 16 MS. 
Matchless 347 ccm, OHV, G3/L, G3/LS. Heavyweight models. 
01-0465. 
01-3265. 
01-0606. 
01-0605. 
69.056mm/2.23/32 +040 = 70 mm
2x 1/16". 
1x 1/8". To fit Hepolite original pistons. 9990. 10465. 13265. 

Triumph Piston +020 Pair NOS No circlips, 1 Piston Ring broken New, old stock Please look at all pictures

Triumph Piston Ring Set / Piston Rings 5TA,T100T,T100A, T100SS,T100R,T100C +060
1957-73

STD=69.00

AJS Type Piston Ring Set 1937- Pre Unit 347cc OHV +020
16M, 16 MS. 
Matchless 347 ccm, OHV, G3/L, G3/LS. Heavyweight models. 
01-0465. 
01-3265. 
01-0606. 
01-0605. 
69.056mm/2.23/32 +010. 
2x 1/16". 
1x 1/8". To fit Hepolite original pistons. 9990. 10465. 13265. 

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

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

AJS/Matchless Piston 350 cc +060 Alloy Head 1948-55 G3L 
Compression 6.3:1
complete incl. Rings, Circlips and Gudgeon Pin
Piston Clearence 0.12mm or 45thou
69 mm = STD
+60 = 70,5 mm
JPtotal hight 82 mmplease look at all pictures

AJS/Matchless Piston 350cc +040 Alloy Head 1948-55
Compression 6.3:1
complete incl. Rings
G3L
Piston Clearance 0.12mm or 45thou
69 mm = STD
+40 = 70 mm
Gudeon Pin Diameter: 22 mm
JPtotal hight 82 mmplease look at all pictures

Triumph Barrel 9 Stud 650 Pre Oil Feed with Std Pistonsno oil feed!must be honed to fit pistonsMade in EnglandPlease look at all pictures

BSA Piston M20 +080. 83.9 mm Bitte alle Fotos ansehen
complete with circlips and gudgeon pin

Piston Clearance 0.12mm or 45thou

AJS M18s/G80s Piston 500cc Alloy Head 1950-56 Std +0,9 mm = 83.448 mm Peter Hepworth Std 82.548+0,9 mm Position Clearance 0,12mm or 45thou Pin Diameter: 22mm Hight: 81mm Incl. gungeon pin / wrist pin, circlips and piston rings Please view ALL pictures

Piston Ring set / Piston RingsVelocette MAC 350cc +.040

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

Piston Ring Set / Piston RingsVelocette +.020
MAC compression Ring: 1/8" thick, deep: 1/8"
oil ring: 5/36" deep 1/8"
bore: 76mm

AJS Mod.18. 18S/G80. G80S Piston 500cc Alloy Head 1947-56 +020 = 82.5 mmCompression Ratio 7.2:1incl. rings, gudgeon pin and circlipscompression height:  1 13/16 = 46 mmPin diameter: 22mmHight: 81mmPiston Clearance 0,12mm or 45thouPlease view ALL pictures

Ajs/Matchless 605cc Pistons Pair Modle 31. G12.CS.G12CSR. Monarch. 060 1960 -66 models including gudgeon Pin, piston rings and circlips

STD = 72 mm+1.5mmm = 73.50mm.
8.5 to 1.
Bore  at 0.12mm or 0.0045".
Make JP. price per pair 2.03125” compression height

AJS/Matchless Kolben 497 ccm. 1956- OHV. 18CS/G80CS +060
+60 = 87.5 mm
CR 8.7:1
JP
cpl. incl. circlips, piston rings and gudgeon pinPiston clearance 0,12 mmPlease look at all pictures 

BSA Piston M20 +060. 83.5mm
complete with circlips and gudgeon pin
82mm +060 (=83.5mm)
Piston Clearance 0.12mm or 45thou

Triumph 5T Pre Unit Piston 63mm / +060T100 Low Compression
Compression: 7:1
Piston Clearance 0.12mm or 45thouPlease look at all pictures

Piston Gudgeon Pin Triumph TR25/T100
650 cc
500 cc
short type

OD: 11/16" = 17,46 mm
Length: 55mm
Made in England

Norton 850cc Piston Ring Set STD.
77 mm

Made in USA

Norton 850 cc Piston Ring Set +040

78 mm