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Engine Steady Bracket Set BSA A7/A10
Swinging Arm

BSA C10L, C11G, C12 Clutch Spring Set of 3 Fitted to light 4-speed Gearbox with 3 springs on the clutch These springs are not to be used with a 6-Spring Clutch Made in England OD: 16 mm ID: 11.4 mm L: 37 mm

Matchless Fish Tail
For measurements please see 4. picture

Fork Springs BSA B31/B32/B33/B34/A10/A7
f. sidecar
Price per Pair


L: 300mm
OD: 47mm
ID: 37mm
Wire: 5mm
 

Cork Gasket BSA Rigid & Plunger Models
1937-
Oil Bath F/Rest
M23, M24. 1937-39
WM20, WM21. 1937-1945

BSA B44 Piston Ring Set / Piston Rings +040 Top rings   are 1/16” thick and 1/8” wide   Oil ring 1/8” wide and 1/8” thick
fit also Norton 16H,ES2 and Model 18 Original Piston
Thickness: 1,55mm/3,15mm
+040 =80.00 mm
check thickness of piston rings

Gandini

BSA A50 Piston +060 Pair
with Piston Rings, Gudgeon Pin and Circlips
Forged measurements see last pict. With piston rings. gapping no less than 10thou 8.5:1
Piston Clearance 0.12mm or 45thou Price per Pair Please look at all pictures

BSA B44 Piston Ring Set / Piston Rings +020. 79.5mm
1/16" x 2
1/8" x 1
also fits Norton 16H, ES2 and Model 18
Original Piston
check thickness

Gandini

Triumph, Big End Bearing.


OHV Models 250cc
1934-36 / 2-1,2-5 Conr.No.:E594
1937-39 / 2H Conr.No.: E1426
1937-39 / Tiger 90 Conr.No.: E1426T

Side Valve Models 350cc
1934-36 / 3-1 Conr.No.: E658
1937-45 / 3S,35W,35E Conr.No.: E1578

OHV Models 350cc
1936 / 3-2 Conr.No.: E1134
1936 / Tiger 80 Conr.No.: E1134T
1937-39 / Tiger 80 Conr.No.: E1401T
1937-40 / 3HW,3H Conr.No.: E1401

Side Valve Models 500cc
1937-40 / 5S,5SW,5SE Conr.No.: E1578

Made in England
 

Magnetic Drain Plug AJS/M. Sump Plug.
18 TPI

Triumph Tiger Club, T20 Big End 1956-62
Alloy cage

Engine No.: 18596-84269

Con-rod Casting No.: E3342

Made in England

Triumph Tiger Cub T20 Big End Bearing
200cc
Tiger Cub T20 from engine No. 99720 1964-66
Con-rod Casting No.
E4446

BSA Piston 85mm B50 Goldstar +40 500cc Unit Construction. BSA DBD Gold Star Pre Unit STD
Diameter of this piston  = 85mm with gudgeon pin, circlips and piston rings

Piston Clearance 0.12mm or 45thou
Compression 10:1
compr. hight: approx. 32.6 mm

Gudgeon Pin Diameter: 19.00mm Please look at all pictures

complete
compr. ratio 9.4:1
Dm. 79 mm
Made by GPM
Middle gudgeon pin to lowest point of piston: 29 mm
Middle gudgeon pin to highest point of piston: 41,5 mm
Gudgeon pin diam. 19 mm

can be used f. Norton
Piston Clearence 0.12mm or 45thou mit Kolbenbolzen, Kolbenringen und Sicherungsringen

BSA Piston 85.5 mm B50 Goldstar +60 500cc Unit Construction. BSA DBD Gold Star Pre Unit +20
85.5mm

Piston Clearance 0.12mm or 45thou
compr. hight: approx. 32.6 mm
Gudgeon Pin: 19mm

BSA C11/C11G/C12 Piston +60 Assembly complete with Gudgeon Pin, Piston Rings and Circlips
250cc
Piston Clearance 0.12mm or 45thou
C11 1939-55
C12 1955-58
can also be used for C10, even if they usually had a flat top measurements see last pict. and techn. data

Price per Pair
incl. Rings, Gudgeon Pins, Circlips
7.25:1
Made in Far East
Piston Clearence 0.12mm or 45thou
STD= 70mm +020= 70.5mm

cpl. with Piston Rings, Circlips and Gudgeon Pin
Price per Pair
Made in Italy
Compr. ratio 8.25:1
+020=70.5mm
Gandini

for Iron and Alloy Head from 1950-62
Piston Clearence 0.12mm or 45thou

BSA DBD Gold Star Pre Unit 500cc Kolben +060. 86. mm. BSA Unit Gold Star 500cc +100
GPM Slipper
86.5 mm
9.5:1
Piston Clearance 0.12mm or 45thou
Can be used on BSA B50 as a +80 Piston with Piston Rings, Circlips and Gudgeon Pin

BSA A65 Piston Pair +040 with Gudgeon Pin, Piston Rings and Circlips

+040 = 76 mm
Kompression 9:1
Price per Pair
BSA A65 1963-72 Lightning

Gandini
Gudgeon Pin Diameter 19 mm - 3/4"
Compr. hight: 37 mm


Piston Clearance 0.12mm or 45thou Price per Pair Please look at all pictures

BSA A50 PHC Piston Pair 65,5 + 075mm = +030 = 66.25 mm Piston Clearance 0.12mm or 45thou Peter Hepworth Made in England Compression ratio 9:1 Please see measurements in techn. data and last picture Complete incl. Gudgeon pin, piston rings and circlips Price per pair

BSA A10 Pistons Standard Size
incl. Rings, Gudgeon Pins, Circlips
7.25:1
Piston Clearence 0.12mm or 45thou
STD= 70mm price per pair Please look at ALL pictures

Compr. ratio 8.25:1
complete
Price per Pair
+080= 72 mm
Gandini
for Iron and Alloy Head 1950-62 including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou

Price per Pair
complete with Piston Rings, Gudgeon Pin and Circlips
8.25:1
70 mm
Italian made-Gandini

for Iron and Alloy Head from 1950-62
Piston Clearence 0.12mm or 45thou

BSA B33 Piston +020= 85.5 mm
1946-1953
Hep 11341+20
65-1260 Compr. ration 6.8:1 slight rusty rings
to be used with flywheels
65-1235 and 65-1235
to be used with conrod 66-482
Piston Clearance 0.12mm or 45thou
Compression Height: 31mm
Piston top - Gudgeon pin top: 22 mm
Gudgeon pin diameter: 19 mm
for long conrod with gudgeon pin, circlips and piston rings