Piston Rex Villiers Midget Sport 1938-39 NOS 51,50 mm

With piston pin, without piston rings Cyl.dia STD 50.00 mm Comp. height 37.25 mm. Flat piston top Piston length 62.55 mm. Piston bolt dia. 12.50 mm. Length 42.00 mm. Piston rings 51,50 x 2.38 x 2.38 mm. Manufacture Ateko, Sweden