GX420 STD 90MM Piston Kit without Rings

Forged 420cc Diamond Piston 90mm (3.543) with valve reliefs. Clearance .0025 @ .850 down from oil land. Wrist pin 0.787" x 2.0"

Contents: Piston, Wrist pin and 2 Clips. Rings part number DJ-4290(see related items) sold separately.

Piston may require machining to achieve proper compression height. Typically remove .050" from top.