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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 500cc. 557 cc. 595 cc  Piston +060. 86.5 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

9:1 Compr., Top Qualit. with Piston Rings, Gudgeon Pin and Circlips
for Longstroke

63.5 mm

BSA A7 Piston +60 1946-49
Triumph T100 PU +20

Price per Pair
Piston Clearence 0.12mm or 45thou

BSA Piston B31 +020
71mm +020 (=71.5mm)
Compression Height: 29.5mm
Piston Clearance 0.12mm or 45thou

PLEASE NOTE! This pistons are only sold with one oil ring at the moment. The included compression rings don't fit and no fitting ones are available at the moment.

BSA Piston Assembly +020 A7 with Piston Rings, Circlips and Gudgeon Pin
Price per Pair
+20 = 66.5 mm
Compression Ratio 6.5:1
Piston Clearence 0.12mm or 45thou

BSA A65 Piston Pair Assy 9:1 STDPiston Pair with Circlips, Piston Rings and Gudgeon PinGudgeon Pin Diameter 19 mm - 3/4"
Compr. hight 37 mmPiston Clearance 0.12mm or 45thouPrice per PairPlease look at all pictures

BSA D10/14
175cc
Piston +020
Hepolite Ref 17952
complete
STD= 60mm +020= 60.5mm
Piston Clearance 0.12mm or 45thou with Piston Rings, Circlips and Gudgeon Pin

BSA Bantam D3 Piston +020 with Piston Rings, Circlips and Gudgeon Pin Piston Clearance 0.12mm or 45thou STD = 57mm +0,5mm Gudgeon Pin: 48mm x 12mm Please see at all pictures

BSA Bantam D1 Piston +020 Piston Clearance 0.12mm or 45thou STD = 52mm + 0,5 Gudgeon Pin: 42mm x 12mm Please see at all pictures

BSA Bantam D1 Piston +040 with Piston Rings, Circlips and Gudgeon Pin Piston Clearance 0.12mm or 45thou STD = 52mm + 1mm Gudgeon Pin: 42mm x 12mm Please see at all pictures

BSA B50 Piston +020=  84,5mm 1971-73 Victor 500, MX, B50T, Gold Star B50SS CR: 10,1 including gudgeon Pin, piston rings and circlips Piston clearance 0,12 mm Gudgeon Pin diameter 19 mm JP

BSA B50 Piston +060 =  85,5mm 1971-73 Victor 500, MX, B50T, Gold Star B50SS CR: 10,1 including gudgeon Pin, piston rings and circlips Piston clearance 0,12 mm Gudgeon Pin diameter 19 mm JP

BSA D5/7 Piston +060
complete with Piston Rings, Gudgeon Pin and Circlips 3-ring Piston Clearance 0.12mm or 45thou

BSA B50 Piston 060
85.5 mm
Slipper
Piston Clearance 0.12mm or 45thou
Compression 10:1

Gudgeon Pin Diameter: 18.9mm with Gudgeon Pin, Circlips and Piston rings

BSA Piston M20 +020
82mm +020 (=82.5mm)
Pin diameter 19 mm
including gudgeon pin, circlips and piston rings
Piston Clearance 0.12mm or 45thou
Compression Height: 40.5mm

These pistons now come with 4 piston rings.
You can also use them only with 3 piston rings. measurements last picture or techn. data

BSA Piston M20 +60 . 83.5 mm including gudgeon pin, circlips and piston rings 82mm +060 (=83.5mm)
Piston Clearance 0.12mm or 45thou

These pistons now come with 4 piston rings.
You can also use them only with 3 piston rings. measurements last pict. or techn. data

BSA Piston M20 Std.
including gudgeon pin, circlips and piston rings
82mm
Piston Clearance 0.12mm or 45thou

These pistons now come with 4 piston rings.
You can also use them only with 3 piston rings. measurements see last pict. or techn. data

Kickstart Ratchet Pinion BSA
B25,B44,lateB40,lateC15

OD: 34 mm
ID: 19 mm
W: 13,5 mm

BSA A10 Piston. Pair 1950 - 63.  also Ariel FH Fieldmaster 1952- Piston 9:1 Compression
Please look at all pictures including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou price per pair

BSA A7 Crankshaft with Conrods 1946-1947 used67-62167-61567-21967-228for restoration - no warrantyPlease look at all pictures

BSA C15 Star 250cc 1 3/8" Exhaust Pipe
1958-1966



Made in England

BSA Speedo Cable M20/M21 1940-53 LHS
2'4" 71cm long
square at both ends

BSA Kneegrip Rubber Empire Star
distance holes middle-middle: 75 mm
B22. B24. B25. M19. M22.
Footchange Models
Price per Pair
Made in England
 

BSA Kneegrip Rubbers Empire Star
distance holes middle-middle: 75 mm
B20. B23. B21. B26. M19. M20. M21. M22
Hand Gearchange Models
Price per Pair
Made in England

BSA A10 Plunger Air Filter RubberPlease look at all pictures