GX390 STD 88MM (-.050) Stroker Piston Kit

Stroker applications (-.050)Shorter compression height. 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,