Feature: 1. Aluminum Alloy: Made of aluminum alloy material, this RC cooling fan cover features high hardness, erosion resisting, and has a long service life, making it suitable for various environments 2. Compact and Lightweight: Featuring a compact size and lightweight design, simple in structure, this RC air inlet cooling channel is convenient to replace and use, enhancing overall convenience 3. Compatibility: This RC cooling fan cover is suitable for 540, 550, 3650 Motor, ESC Heatsink, for D3 D4 HPI 1/10, 1/8 RC car, ensuring broad compatibility, and meeting your diverse needs 4. Screw Installation: Equipped with standard mounting holes and screws, 30x30mm mounting size, this cooling fan cover facilitates easy and secure installation, resulting in a robust structure 5. Optimized Cooling: Designed with air inlet for effective airflow, the cooling fan cover ensures efficient heat dissipation through the air cooling channel, enhancing the performance of RC car cooling system Specification: Item Type: RC Cooling Fan Cover Product Material: Aluminum Alloy Mounting Size: Approx. 30 x 30mm / 1.2 x 1.2in Application: For 540 550 3650 Motor ESC Heatsink, for D3 D4 HPI 1/10 1/8 RC Car. Package List: 2 x Cooling Fan Cover Parts 4 x Screws