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Thunderbird 6T 7:1
Triumph, Pistons Pre Unit
71mm +40=72mm
Gudgeon Pin: 17.4mm
650cc

for Cast Iron Head - please do not fit to alloy head
complete with gudgeon pin, piston rings and circlips

Piston Clearance 0.12mm or 45thouMeasuremetns see techn. dataPrice per Pair

Triumph Kolben
TR6,T120,T110 650cc pre unit
71mm +40 = 72mm
Alloy Head
7:1
complete with Piston Rings, Circlips and Gudgeon Pin
Piston Clearance 0.12mm or 45thou

if you wish to lower the compression of an iron head engine, these pistons can be used. Giving approx. 6.76:1Price per Pair

9:1
Triumph T100,
64.5 mm
Pre unit
Pistons

Piston Clearance 0.12mm or 45thoucomplete with piston rings, circlips and gudgeon pinPrice per pair

Triumph.
T100R, T100T unit
9:1,
69mm +040 = +1mm, 70 mm
Tiger 100 Unit
Daytona
500cc
Piston Clearance 0.12mm or 45thoucomplete with Piston Rings, Circlips and Gudgeon Pin

to be fitted after 1967price per pair

69 mm bore, +040 = 70 mm
price per Pair
7:1
Triumph, 5Ta
500cc Unit
500 Unit low comp
with Piston rings, circlips and gudgeon pin

Piston Clearance 0.12mm or 45thou

Triumph.750cc
T140v.TR7V.
pistons
76mm STD
8.6:1
Price per Pair

Piston Clearance 0.12mm or 45thouincluding gudgeon Pin, piston rings and circlips

Piston Triumph +040
T140V.TR7V 750cc
pistons 8.6:1
76mm +040 = 77 mm
Price per Pair
Piston Clearance 0.12mm or 45thou complete with piston rings, circlips and gudgeon pin
 

Full Engine Gasket 650cc
1963-73
Universal 650 9-stud gasket set
This gasket set gives you the opportunity to try different pushrod oil seals and rockerbox gaskets.
This set is for all 650 Triumphs from 1963-1973 fitted with a 9-stud head
T120,T120R,T120V,TR6,Bonneville, Trophy.
9-stud Thunderbirds
The head gasekt does not fit 9-stud
Big Bore kits.
 

Triumph Piston 750cc T140/TR7V +40
76mm+40,
compr. ratio: 7,4:1,
price per Pair
Low compr.
gudgeon pin diameter: 19 mm

Piston Clearance 0.12mm or 45thou complete with piston rings, circlips and gudgeon pin

Green/Gold/Black, Arm with Hammer
pre 1931
40mm x 40mm
This is a waterslide transfer

Gold Sloping Blocks
1930/32
112mm x 48mm

Price per Pair

Pink/Blue/Gold/Black
Circular Arm/Crown
43x50mm
1924/33
This is a waterslide transfer

Gold/White/Black,
Winged Trade Mark
1931/34
114mm x 45mm
This is a waterslide transfer

Gold, Blocks on two Levels
1926/30
82mm x 54mm
This is a waterslide transfer

New Hudson Tank Transfer/Pair 1926
Gold, Blocks Curved

170mm x 40mm
This is a waterslide transfer

Gold, Lower Case Blocks,
can be used on two levels
to 1928
160mm x 28mm
This is a waterslide transfer

White Sloping Blocks
1931/32
105mm x 48mm

Black/Gold, Winged Patents in rectangle
1931/34
60mm x 50mm

Triumph 3TA/T90/T21 Pistons STD.
58.25 mm
Price per Pair
Made by GPM, Italy
Compr. ratio 7,5:1

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

JP Piston Norton Big 4 +.020 82.5 mm
std = 82 mm
Gudeon Pin Diameter: 7/8"Piston Clearance 0.12mm or 45thouincl. gudgeon pin, circlips and piston rings

1947-54JP Piston Made in Australia

JP Piston Norton Big 4 +.030
Gudgeon Pin Diameter: 7/8"

S.V
Big 4 No. 1
STD = 82 mm

incl. gudgeon pin, circlips and piston rings

Piston Clearance 0.12mm or 45thouJP Piston Made in Australia

JP Piston Norton Late Big 4 +040 = 83 mm
Gudgeon Pin Diameter: 7/8"
incl. gudgeon pin, circlips and piston rings
S.V
Big 4 No. 1
STD = 82 mm

Piston Clearance 0.12mm or 45thouJP Piston Made in Australia

JP Piston Norton Big 4 +060 = 83,5 mm
Gudgeon Pin Diameter: 19mm

Centre gudgeon pin to top: 30 mm


S.V
Big 4 No. 1
STD = 82 mm

incl. Gudgeon Pin, circlips and Piston rings

Piston Clearance 0.12mm or 45thouJP Piston Made in Australia

Axle BSA C10/C11
NOS

8" x 1/2" 20TPI UNF

Made in England

Crank Axle
for BSA C15
new, old stock