Auto Express HONDA GX390 ROLLER KIT WITH CRANKSHAFT PISTON RINGS CON ROD PIN AND CLIPS GX 390 Fits: Honda GX390 13HP Includes: 1 X STRAIGHT CRANK SHAFT (1" DIAMETER WITH 1/4" KEYWAY) 1 X CON ROD 1 X PISTON 1 X PISTON RING SET 1 X PISTON PIN 2 X PIN CLIPS High Quality Part Made to OEM Specifications