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BSA / Triumph Layshaft 1st Gear Bushmade in englandplease look at all pictures

Ariel Red Hunter Piston 500cc STD = 81.812mm
Compression Ratio 7.5 : 1
Make JP Piston Clearance 0.12mm or 45thou OHV Red Hunter, VG, VH Measurements see last picture and techn. data Incl. Gudgeon pin, piston rings, circlips

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  

AJS/Matchless Front Wheel 21" used 1955-1966350 500 single500 600 650 twinBrake Shoes includedfor restoration - no warrantyPlease look at all pictures

Amal Float Chamber Assembly, Bottom Feed. Banjo Connection

AJS Kneegrip Rubbers 350cc, 500cc, Flat-tank

L: 105 mm
W: 68 mm
Thick: 30mm

Price p. pair.
Made in UK

JAP Twin SV Piston Brough Superior/Zenith/Coventry Eagle +020 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou JP / Price per Pair
STD= 85.725mm
1924-39 Piston
1000cc K Type 1923-29= 85.7 x85
1150cc LT, LTZ,L Type = 85.7 x95

500cc= Model K
85.7mm x 85

550cc = Model L
85.7mm x 95

600cc= Model U
85.7mm x 104

Gudgeon Pin: 13/16" - 20.7mm
Compression Height: 1 5/8" - 41.3mm
Piston Length: 3 1/4" - 82.5mm

Brough Superior. SS80. J.A.P. JAP Single Cylinder SV Piston +030 JP
STD= 85.725mm + 0.75 mm = 86.475 mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 500cc= Model K
85.7mm x 85

550cc = Model L
85.7mm x 95

600cc= Model U
85.7mm x 104

Gudgeon Pin: 13/16" - 20.7mm
Compression Height: 1 5/8" - 41.3mm
Piston Length: 3 1/4" - 82.5mm

JAP Single Cylinder SV Piston +020 JP
STD= 85.725mm + 0.5 mm = 86.225 mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou
500cc= Model K
85.7mm x 85

550cc = Model L
85.7mm x 95

600cc= Model U
85.7mm x 104

Gudgeon Pin: 13/16" - 20.7mm
Compression Height: 1 5/8" - 41.3mm
Piston Length: 3 1/4" - 82.5mm

JAP Single Cylinder SV Piston +040 JP
STD= 85.725mm + 1 mm = 86.725 mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 500cc= Model K
85.7mm x 85

550cc = Model L
85.7mm x 95

600cc= Model U
85.7mm x 104

Gudgeon Pin: 13/16" - 20.7mm
Compression Height: 1 5/8" - 41.3mm
Piston Length: 3 1/4" - 82.5mm

JAP Single Cylinder SV Piston +060 JP
STD= 85.725mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 500cc= Model K
85.7mm x 85

550cc = Model L
85.7mm x 95

600cc= Model U
85.7mm x 104

Gudgeon Pin: 13/16" - 20.7mm
Compression Height: 1 5/8" - 41.3mm
Piston Length: 3 1/4" - 82.5mm

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 T20s Tiger Cub. Piston 9:1 STD 63,00mm Piston clearance 0,12 mm including gudgeon pin, circlips and piston rings

Triumph T100T Piston 500cc  +060 Pair including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Made in England Price per pair

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

BSA GPM A65 Piston Pair +060 7.5-1
Compression High: 37mm
Kolbenbolzen DM: 19mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou price per pair

BSA GPM A65 Piston Pair +040 7.5-1
Compression High: 37mm
Gudgeon Pin DM: 19mm including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per Pair

Bsa Sloper Piston. 500cc. 1925-31 +060 81.5 mm

Measurements see last pict. gudgeon pin 16 mm

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

Bsa Sloper Piston. 500cc. 1925-31 +040=DM 81 mm
Measurements see last pict. - please look at all pictures gudgeon pin 15,87 mm  5/8"

S25,S26,S27,S28,S29,S30- 9,S31-7 493cc ,SV 1925-31 Piston Clearance 0.12mm or 45thou

JAP Twin Piston +060 / Pair including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 1000cc OHV
Model KTO
KTOR
STD = 85.7 mm x 85 mm Bore and Stroke +060
Gudgeon Pin: 13/16=20,6mm
Compression Height: 32.45mm
JP Price per Pair

JAP Single Cylinder Piston +020 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 500cc OHV
Model
KO
KOR
STD = 85.7 mm x 85 mm Bore and Stroke +020
Gudgeon Pin: 13/16=20,6mm
Compression Height: 32.45mm
JP

JAP Single Piston +060 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 500cc OHV
Model KTO
KTOR
STD = 85.7 mm x 85 mm Bore and Stroke +060
Gudgeon Pin: 13/16=20,6mm
Compression Height: 32.45mm
JP

Norton Dominator Piston Pair +040 500cc
bore 67,00mm

Gudgeon Pin diameter: 17.5 mm
Middle Gudgeon Pin-Top approx. 40 mm Gandini including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per pair

Norton Commando Pistons + 060 Pair  850cc with Hepolite Piston Rings including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou 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