The DJSMOTO Motorcycle Carburettor Vacuum Blanking Caps are a pack of 4 black rubber covers designed to block off vacuum lines on motorcycle carburettors/INJECTORS VACUUM LINES ETC. Made by the manufacturer Part Number CC05, these caps are a simple and effective way to prevent dirt and debris from getting into the carburettor. Easy to install and durable in black colour, these vacuum blanks are a reliable accessory for motorcycle maintenance. HEAVY DUTY THICK TOP QUALITY RUBBER NOT THIN LOW QUALITY ONES LIKE OTHER SELLERS ARE ADVERTISING