Piston Jap 500 OHV ( Overhead valve ) Unsharpened NOS

Piston with piston bolt, turned down to your desired measurement, now 89.60 mm, piston rings not included. Cy.dia STD 85.72 mm. Comp. height 31.00 mm Flat Piston top Piston length 66.00 mm Piston Bolt Dia. 20.64 mm Length 75 mm. Piston rings 2.38 x 2.38 x 2.38