Brand New RAW STEEL MADE NORTON MANX 5 GALLON PETROL TANK. Are you restoring your Norton MANX bike and are looking for this rare to find petrol tank. Then your wait ends here, grab this reproduction steel tank. The above shown steel tank is made from steel and is ready to paint or chrome. These used to come fitted on Norton Manx models in 50's. Please refer to the pictures above for exact dimensions. These can also be fitted on other British sports bikes too.