ENHANCED STEERING PERFORMANCE Experience improved steering handling and response by replacing the Hi-Torque Servo Saver Q5 part with the Tamiya TAM54120 Blue Aluminum Horn, designed specifically for M-Chassis models. PREMIUM ALUMINUM CONSTRUCTION Crafted from durable anodized aluminum, this horn not only boosts performance but also adds a stylish blue touch to your vehicle. COMPATIBLE WITH M-CHASSIS VEHICLES This aluminum horn can be used with M03 and M04 chassis vehicles, ensuring versatility across your Tamiya collection. INCLUDES EVERYTHING YOU NEED The package includes one aluminum horn suitable for MS Chassis, two aluminum ball connectors in blue, and four 5mm adjuster S pieces, along with easy-to-follow instructions. ADDITIONAL COMPATIBILITY For even greater adaptability, this product can utilize spare parts 50473 and 51000, making it a flexible addition to your tuning arsenal. Elevate your M-Chassis with this striking blue aluminum horn for enhanced performance and aesthetics.