6274 Billet Rod Honda GX340/390/420 4.450" X 1.419" X .788"
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800-521-3560
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.
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