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BSA B44 Piston Ring Set / Piston Rings +060
also fit the Norton 16H,ES2 and Model 18 Original Piston
+060 = 80.5 mm
please check thickness of rings
1/16" - 1.6mm
Oil ring: 1/8" - 3.14mm

Gandini

BSA B44 Piston complete
+040 = 80 mm
compr. ratio 9.4:1
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
Useable on JAP. JOS engine or JTOR. Jap engine clearance 0,13mm
can be used f. Norton at +40
Piston Clearance 0.12mm or 45thou

weight without rings 371 g
weight with rings 400 g

with Piston Rings, Circlips and Gudgeon Pin

BSA CB/DB Goldstar 350cc Piston STD.
71 mm

Compression 9:1

CB32/DB32
Piston Clearance 0.12mm or 45thou with Piston Rings, Gudgeon Pin and Circlips

BSA DBD Gold Star Piuston Pre Unit 500cc Piston +020. BSA Unit Gold Star 500 85.5 mm
9.5:1
Piston Clearance 0.12mm or 45thou with Piston Rings, Gudgeon Pin and Circlips

BSA 500cc Piston STD. 85 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 Bitte alle Bilder ansehen einschl. Kolbenringen, Kolbenbolzen, Sicherungsringen Kolbeneinbauspiel  0.12mm or 45thou

BSA 500cc. 557 cc. 595 cc  Piston +030 1934-36  85,75 mm 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 Please look at all pictures including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Please look at all pictures

BSA 500 cc 557 cc. 595 cc  Piston +020. 85.5 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 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 +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

1 Pair of pistons, incl. pinion, circlips and piston rings
Made in Italy
Compression ratio: 8.25:1
+060=71.5 mm
Gandini

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

cpl. with Piston Rings, Gudgeon Pin and Circlips
Price per Pair
Compr. ratio 8.25:1
+040= 71 mm
Made in Italy
Gandini

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

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 A7 Piston Pair +020 Compression Ratio   7,5:1 Compression height    approx. 41 mm Piston length approx.. 68 mm Gudgeon pin Ø  11/16” – approx.. 18 mm Gandini including gudgeon Pin, piston rings and circlips Piston Clearance 0.12mm or 45thou Price per Pair

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

Norton Commando 850 cc Pistons. Pair +020 = 77.5 mm 1973-77 JP Compression Ratio 8.5:1 incl. piston rings, gudgeon pin and circlips Piston Clearance 0,12mm or 45thou Price is for 1 Pair