simply trim them out

These spur gears are 100% machined POM to insure true roundness and are much stiffer and truer than molded nylon spur gears

Dedicated receiver RA-42 requires purchase separately

Hot Racing 2-speed heavy duty complete full metal gear locked center main gearbox transmission with heavy duty 32 pitch

The entire SST concept was the subject of considerable negative press

Power Hobby - Through Shaft Diff Locker, for Arrma Front / Rear / Center Engines Replacement Parts simply trim them outFor speed and drag racers. This lightweight diff locker eliminates the internal diff gears and wobbly out drives. FITS: Infraction, Limitless, Talion, Felony, Typhon etc. Will not work with 29mm LSD type diff gears.