Piston AJS 500 cc OHV ( Toppventil ) 1-Cyl. 1935-46 NOS 82,50 mm

With piston pin, without piston rings Cyl.dia STD 82.55 mm. Comp. height 33.34 mm. Flat piston top Piston length 81.00 mm. Piston bolt dia 22.22 mm. Length 70 mm. Piston rings 82.55 x 1.59 x 1.59 x 3.17 mm.