Model Compatibility: Compatible with 2004-2014 Honda TRX450R and 2004-2014 Honda TRX450ER Durable:Made of automotive-grade aluminium, offering stability and reliability. Resists wear and aging; oxidation surface prevents rust for extended lifespan Protective Function: Designed to safeguard your ATV's frame and engine from damage when riding over obstacles Package Contents: Includes 2 pieces (Swing Arm Skid Plate + Chassis Skid Plate) and all necessary mounting accessories Installation Details: Installs with screws; professional installation is recommended. Instructions are not included