UNIVERSAL PARTS PZ22 DUAL FEED CARBURETOR FOR 4-STROKE HORIZONTAL CYLINDER HONDA AND HONDA STYLE ENGINESBOLT HOLE SPACING: 48mmENGINE SIDE INNER DIAMETER: 22mmAIR FILTER MOUNT OUTER DIAMETER: 41mmHAND OPERATED CHOKEINTERNAL FUEL FILTERCHOKE ON LEFT SIDE WITH REAR FACING INTAKE (IF YOUR INTAKE FACES FORWARD THE CHOKE WILL BE ON THE RIGHT SIDE)