Brass Steering Link Knuckle Alex Diff Cover Caster Blocks Replacement for Traxxas TRX-4M 1/18 Upgrades Remote Control Crawler Defender Features: Brass material for more durable and improves the overall performance. Brass will not flex as much as plastic under stress or during high ambient temperatures. CNC machined for precision. Increased strength and precision. The black hard coating with gold edges adds a bright nice appearance to your remote control car and prevents oxidation and corrosion. Add extra weight to the lowest part of your remote control car, for improved anti-rollover stability and superior rock-climbing capability. Replacement for Traxxas TRX-4M 1/18 remote control crawler. Replace the original plastic parts. Specifications: TRX4M Steering Rod:  The connecting rod features high-clearance bending to prevent contact with the tires Material: Brass  Weight: 12g TRX4M Steering Block:  Made of brass and processed by CNC Enhances anti-rollover stability and climbing ability The black hard coating with chamfered edges adds a bright touch to your car to prevent corrosion Material: Brass Quantity: 2 pieces (left and right) Weight: 9g/piece TRX4M C-Seat:  By adding weight, the steering knuckle made of brass gets more from the tires Black coating to prevent oxidation.  Increases wheel weight to lower the vehicle's gravity and improve stability.  Material: Brass Weight: 9g/pair TRX4M Axle Cover:  Made of brass, CNC processed, installed on the front and rear axles. Material: Brass Weight: 11g/piece Package Information:  Package Size: 13*9*1.5cm Package Weight: 70g Package List: 1 * Steering Rod 2 * Steering C-Seat 2 * Bridge Cover 2 * Steering Cup 1 Set * Accessories