Losi LOS4138 Engine Mount Insert 19/67 Axial Parts Give your ARRMA Groms and

Give your ARRMA Groms and NASCAR-style rigs the durability they deserve

54 tooth (54T) spur gear

Power your Kato automatic three-color signals with this dedicated signal power supply

Always verify the battery compartment dimensions

dropping in for the kit springs with no modification needed

Losi LOS4138 Engine Mount Insert 19/67 Axial Parts Give your ARRMA Groms andThese genuine engine mounting inserts are built specifically for the Losi 5IVE TG 3. 0 chassis, matched to the 67 tooth spur gear setup at the 19T motor pinion mesh spec. The package includes five inserts along with mounting hardware, letting you dial in the correct motor position for smooth, quiet gear mesh and consistent power transfer under load. The inserts feature a revised shape and thickness compared to earlier 5IVE mounts, and Losi confirms