50 Caliber Racing Stage 2 88cc Big Bore kit for Vintage Honda Z50A Mini Trail Monkey Pit Bikes. Vintage stage 2 88cc big bore kit has an improved lightweight 52mm piston and cylinder design, with oversized cooling fins for efficient heat dissipation. Includes a 20mm performance carb assembly, and all gaskets needed for install.
Can be installed by anyone with basic mechanical skills who is not afraid to turn some nuts and bolts. Breathe new life into your Honda with our high quality, affordable, and reliable big bore kit!