Racers Edge tools have you covered

4-liter engine and lithium-ion battery

A 2204 to 2208 (stator size) is a good choice for 1/18th scale crawlers (IE Axial UTB18

In addition

For users with many similar batteries

1UP Racing - Pro Duty Titanium Upper Screw Set, RC MAKER SP1, Bronze Anodized Toys & Games Racers Edge tools have youUnleash the full potential of your RC MAKER SP1 with a 1up Racing Pro Duty Titanium Upper Screw Set. Meticulously crafted from Grade 5 titanium, this upgrade not only ensures exceptional durability but also significantly reduces weight compared to traditional steel screws, providing your SP1 with a competitive edge on the track. This 76 piece set is all you need! Elevate your performance opt for excellence with the Pro Duty Titanium Upper Screw Set