Norton 750ccm Aerco Piston +020 with Gandini Rings. PairAerco Pistons from Englandwith Gudgeon Pin and CirclipsPiston Clearance 0.12mm or 45thouPlease look at all pictures
Ariel SV 600ccm GPM Piston +030 = 87. 2mm 1931-1932 550 cc SV. SB21, SB32, SB31 Sloper1932-1932 550 cc SV. VB, VB33 Vertical Engine1933-1935 550 cc SV. VA, VA41936-1958 600 cc SV. VBGudgeon Pin diameter 13/16“ = 20.5 mmMeasurements - please see last picture or techn. DataMade in Australiaincl. Piston Rings, Gudgeon Pin and CirclipsPiston Clearence 0.12mm or 45thou
+060 = 67.5 mm Piston Clearance 0.12mm bzw. 45thou incl. Gudgeon Pin, Piston Rings and CirclipsCompression Ratio 7,8 : 1 JP Piston Made in Australia Price per PairPlease look at all pictures