Features: The brake master cylinder use precision piston and durable O-ring. Make your vehicle braking have better performance and longer service life. Rear Brake Pump made by high quality aluminium material, durable in use. Professional manufactured, excellent braking performance. Easy installation process. Motorcycle Rear Brake Master Cylinder Pump Kit is made by high quality aluminium material, durable in use. Professional manufacturing process fully meets the standard requirements, stable performance, safe and reliable, long service life. Specifications: Material:Aluminum Alloy Size:As Picture Shown Color:Black for 350 YFZ350 YFZ350SE YFZ350SP YFZ350LE YFM350X OEM: 29L258505100 3GD-2583V-00-005FK-2583V-00-00 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Brake Master Cylinder Pump