Ariel SV 600cc. 550 cc JP Piston +STD. 86.9 mm
1931-1932 550 cc SV. SB21, SB32, Sloper
1932-1932 550 cc SV. VB, VB33 Vertical Engine
1933-1935 550 cc SV. VA, VA4
1936-1958 600 cc SV. VB
Gudgeon Pin diameter 13/16“ = 20.5 mm
Measurements - please see last picture or techn. Data
Made in Australia
incl. Piston Rings, Gudgeon Pin and Circlips
Piston Clearence 0.12mm or 45thou