These are a FORMALDEHYDE mix gear set. Prevent smashing.
They are self lubricating, reduce noise, and reduce maintenance.
We have done all the hard work and spent a lot of money in research for you and these parts that I am now selling are the best and will be the right type of upgrade that will give you the best benefits.
YOU ARE BUYING:
# FORMALDEHYDE Gear Set 7 Piece
Please lubricate on installation
# Best practice to do the bearings when you install the gears.