AJS/Matchless / Norton P11 / P11A Front Fork Spring Pair
Made in England
OD: 1 3/4" = approx. 47 mm
ID: 1 7/16" = approx. 36.6 mm
Thread diameter: 5.4 mm
Length: approx. 307 mm
BSA 250cc
Piston Assembly complete with piston rings, circlips and gudgeon pin
Piston Clearance 0.12mm or 45thou
Compression Height: 25.2mm
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