1UP Racing - Pro Duty Titanium Upper Screw Set, for Xray X4 '23There's no better way to dress up your car than with trick hardware, and 1up Racing Pro Duty Titanium Screws are as trick as it gets! Pro Duty Titanium Upper Screw Sets replace all of the kit M3 Button and Flat Head screws with 1up's LowPro and Flat Head screws. These sets also include their Lockdown Screws where possible so you won't have to purchase any extras after upgrading to a Pro Duty Upper Screw Set! After years of testing samples, they've

Two packages will be needed to complete one truck

Required to Complete: 14

Rear motor lays flat for a lower CG

This is flat on the bottom for those who want to chassis mount their 1Up UltraLite Cooling Fan without the Optional Brass Chassis Mount

This is the screw bag B for the RC Box Trailer

Three sealed metal differentials individually filled with silicone fluid

4GHz transmitter won't disappoint

This Estes model is an authentic replica based of the original design created by Stine

and engine settings have been optimized at the factory

Conditions to try:

Adjustable differential height to allow drive shaft alignment through all ride height and axle height configurations

used metal weights glued to the end of the fin tips to shift the center of gravity (CG) back after the engine popped out at apogee