Brough Superior SS80. Matchless Mod. X. AJS Mod. 2 Pistons 990 cc SV/Pair STDJP Piston Made in Australia5.6;1 compression ratio offset bossesSTD = 85.725 mm bore Compression hight 1 13/16”Gudgeon pin diameter 7/8”Piston Clearance 0.12mm or 45thou incl. Gudgeon Pin, Piston Rings and CirclipsPlease look at all pictures
Brough Superior SS80. Matchless Mod. X. AJS Mod. 2 Pistons 990 cc SV/Pair +0205.6;1 compression ratio offset bossesSTD = 85.725 mm bore +020 = 86,225 mmCompression hight 1 13/16”Gudgeon pin diameter 7/8”Piston Clearance 0.12mm or 45thou incl. Gudgeon Pin, Piston Rings and CirclipsPlease look at all picturesJP Piston Made in Australia
Brough Superior SS80. Matchless Mod. X. AJS Mod. 2 Pistons 990 cc SV/Pair +0405.6;1 compression ratio offset bossesSTD = 85.725 mm bore +040 = 86.725 mmCompression hight 1 13/16”Gudgeon pin diameter 7/8”Piston Clearance 0.12mm or 45thou incl. Gudgeon Pin, Piston Rings and CirclipsPlease look at all picturesJP Piston Made in Australia
Brough Superior SS80. Matchless Mod. X. AJS Mod. 2 Pistons 990 cc SV/Pair STDJP Piston Made in Australia5.6;1 compression ratio offset bossesSTD = 85.725 mm bore Compression hight 1 13/16”Gudgeon pin diameter 7/8”Piston Clearance 0.12mm or 45thou incl. Gudgeon Pin, Piston Rings and CirclipsPlease look at all pictures
AJS Piston 498 ss SV. 1928-30. K9. M9. R9 STDSTD = 84 mm Compression hight 1 29/32”Gudgeon pin diameter 11/16”Piston Clearance 0.12mm or 45thou incl. Gudgeon Pin, Piston Rings and CirclipsPlease look at all pictures