This OBP alloy header tank with sight tube is designed to meet requirements of serious competitors and enthusiasts alike. The header tank has been developed to be installed in bespoke, one off or competition installations where original header tanks are not suitable. At home on the track or for fast road use, the header tank is manufactured to the usual highest OBP quality.Low in weight and manufactured out 2mm thick alloyDesigned to ensure the demands of competition and performance applications are met and exceededThe side tube allows you to see how full the can is gettingDimensions: 200mm Length x 100mm diameter, inlet 10mm push on, outlet 18mm push on, overflow 8mm push on, capacity 1.5 litre