Transform the performance and appearance of your Traxxas TRX-4M 1/18 RC crawler car with the COOWOO Brass Upgrade Parts Set. Made of durable and wear-resistant brass material, our upgrade parts replace the original plastic parts for improved performance and long-lasting use in challenging environments. This upgrade parts set includes a steering link, caster blocks, steering knuckles, and diff covers, providing a complete upgrade solution for your vehicle. Each part is high-precision CNC machined for a direct fit and easy installation, and all hardware is included for your convenience. In addition to improved performance, our upgrade parts also add weight to the front and rear of the vehicle, improving anti-rollover stability and crawling capability. Plus, the custom and attractive appearance of our brass upgrade parts set enhances the look of your RC crawler, making it stand out from the stock parts. Upgrade your Traxxas TRX-4M 1/18 RC crawler car with confidence, knowing that our COOWOO Brass Upgrade Parts Set is designed to improve the performance, stability, and appearance of your vehicle. Steering Link Set of 1 Steering Knuckles Set of 2 Caster Blocks Set of 2 Diff Covers Set of 2 Steering Link Steering Knuckles Caster Blocks Diff Cover Black Coated Brass Upgrade Parts Set Buying Options Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 48 4.6 out of 5 stars 48 4.6 out of 5 stars 48 4.6 out of 5 stars 48 4.6 out of 5 stars 48 Price — no data $8.98$8.98 $9.99$9.99 $11.49$11.49 $34.99$34.99 Material Brass Brass Brass Brass Brass Craftmanship CNC machined CNC machined CNC machined CNC machined CNC machined Number Set of 1 Set of 2 Set of 2 Set of 2 Set of 2