Forged Piston Kit for Honda GX390
Std bore 3.464 Clearance .0025 (@.850 down from oil land). Use stock GX390 UT1 T3 rings
Use enclosed wristpin (Can also use GX390 wristpin, but must be shortened)
Comes with Piston, Wristpin and 2 Clips. Rings are sold separate, Part #DJ-3390-CL