HM-4G6-Z-19 (HM-4#6-Z-16): Time to stock up these Transmission Gear Set for 4G6 & 4#6

If you have a the softer regular plastic beta versions of these gears they will easily wear out.  The HM-4G6-Z-19 (HM-4#6-Z-16) is the final production version and is much more resistant to wear and breakage.  To prevent damage and premature wear, make sure all gears are properly meshed and aligned during installation.