Headrace Bearing Set BSA B44 top+bottom
OD of caps: 2 1/8" - 54 mm
Depth: (just under 1/2")12,3 mm
Bottom Cone ID: 1 1/16" - 27 mm
Top Cone including cover plate ID: 1" - 25,4 mm
Hepolite BSA Piston 5688+060 used 72,3mm. 350cc Compression High: 32mm Gudgeon Pin DM: 18mm SV Modell: R33-4 OHV Modell: R33-5, Blue Star High Compression Verdichtung 7:1 STD = 71 mm Made in England
Hepolite BSA Piston 10962 NOS
PAT N°616820 3602 AM4/3
71mm = STD
Compression High: 30mm
Gudgeon Pin DM: 19mm
no piston rings
no gudgeon pin
no circlips
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not all pre War 350 Mod.