Piston Rex Villiers 98 cc ( Ladies' Bike ) 1938-39, Villiers Junior 98 cc 1938-47 England 51,50 mm

This piston is 51.50mm ( 50 x 060") Piston rings and piston pin included Cyl.Dia. STD 50.00 mm. Comp. height 25.40 +13.80 mm Piston length 71.00 mm. Piston pin 9.54 mm. Length 42.00 mm. Piston rings 2.38 x 2.38 mm Made in Wellworthy England