Axial AXI252005 AR90 Front Driveshaft Set XO-1 Parts These wheels are a 4-bolt

These wheels are a 4-bolt axle mount

and Kyosho's own description of this part is direct about the purpose: it lays the battery out at the front to change weight distribution

a Holley 715-cfm four-barrel carburetor

Driver: Allan Moffat

Axial AXI252005 AR90 Front Driveshaft Set XO-1 Parts These wheels are a 4-boltThis Axial AR90 Universal Driveshaft Set, Front includes front universal joint driveshafts for the SCX6's AR90 axle, transmitting power from the axle to the wheels while allowing steering and suspension articulation. These driveshafts are a common wear item on rigs that see heavy technical crawling. Because it's a genuine Axial part engineered specifically for the SCX6's AR90 axle system, it's a direct fit replacement using the axle's existing