We Accept
Credit Cards

Big Bore Kit for (gy6 or gy6 clone engines ) 4 Stroke 125cc Engines - Upgrade to 150cc


Installing a big bore is the best way to increase engine performance!
Upgrade from 125cc Engine to a 150cc Engine!

Change from 125cc (52.4mm*57.8mm) to 150CC (57mm*57.8mm) Cylinder Now!!

This kit includes the following
1pcs Cylinder, Piston + Piston Ring Kit, 2pcs Wist pins, Needle Bearing, Gasket set

Fits on Gy6 or Gy6 Clone (139QMB) 125cc Bike Engines!

Copyright 2007 Mini Bike PartsNow, Los Angeles , California, United States