Piston Kit Suz Rm85 Vtk22877BTop End Piston Kit Cast Replica for 2 StrokeThe piston is heat treated with a T 5 hardening and tempering cycle The piston skirt is coated with a high tech Molybdenum Disulphite coating for faster break in time and increased piston life Gravity cast aluminum alloy (not forged) with 18% silicone content Cast OE replacement piston Top end kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing Kit Includes: Piston Kit Top End