the applicable axle distance can be larger than the value listed in the above form

This is a PRO-MT 4x4 Replacement Chassis

and any cracks or wear here introduce air leaks that make tuning inconsistent and lean out the mixture

Traxxas knows the difference between “water resistant” and waterproof

TKR9112 - Differential Outdrives (center

Powerhobby Hardened Steel 16T Mod1 5mm Pinion Gear Mod 1 Speed Run / Drag Racing Losi Parts the applicable axle distance canPowerhobby Hardened Steel 16T Mod1 5mm Pinion Gear with 2 Grub Screws Description Fine tune your RC vehicles gearing with a Powerhobby Hardened Steel Mod 1 Pinion Gear. Designed for motors with a 5mm shaft, these gears provide the strength and durability needed for high power RC cars, trucks, speed run vehicles, and drag racing applications. Each pinion features two set screw holes for a more secure attachment to the motor shaft. Two M4 grub screws