Whitz Racing - Yokomo YZ-4 SF - HyperGlide Ceramic Bearings - Full Kit Tires Wheels Inserts Super Soft Width : 42mm

Width : 42mm

trailing edge fin control surfaces (non-functional)

using brand new tooling

Replace the stock nylon Center Gear Box (#160817) with this premium alloy version and experience a whole new level of performance

and provide plenty of traction

Whitz Racing - Yokomo YZ-4 SF - HyperGlide Ceramic Bearings - Full Kit Tires Wheels Inserts Super Soft Width : 42mmHigh Performance Hybrid Ceramic Bearings Whitz Racing recommends every few track days to check for any necessary maintenance needs. If the bearings feel gritty or have reduced roll, remove bearings and clean with a citrus based degreaser & lightly oil with a premium high temperature lube oil like their TDK Bearing Oil. Car brake parts cleaner will ruin your bearings and is NOT recommended. Compatibility: Yokomo YZ 4 SF *Whitz "Full Kits" DO NOT