Manufactured by JUN and cooperated with Wisner in Germany, This W series is an excellent product in the cost performance. Only for 3S-GTE Engine. This is a forged piston. Form is for convex, Weight 458g, Pin diam 22mm, Capacity -6.0, Pin height 35.0mm. Piston rings, Piston pins, Snap rings are included. Choose the Bore size 86.0, 86.5 or 87.0mm.