The extra-large size means you'll get extra torque for excellent acceleration and "pop" over jumps

Short Shaft Extended Length: 3

Increased ID on idler gear allows for use of 5x11x4 bearings to be used (also included)

With the evolution faster vehicles

This reduction in slop improves the caster

DuBro 908 Fillin' Station without Starter/Wrench O Lights The extra-large size means you'llDuBro 908 Fillin' Station without Starter Wrench The DuBro 908 Fillin' Station is a fueling station sold without the starter and wrench, giving you the core fueling setup for your RC engine. Fillin' Station fueling setup Sold without starter wrench Item number DUB908 Convenient fueling solution