this is the stuff you want to use if you don't want leaks

Lifter Base Chrome Acorn Screw Kit fits 1995-Up Sportster

These vintage motorcycle gas caps are crafted in the UK by the OEM supplier of gas caps to Triumph Motorcycles

It is a hardened metal rotor/disc lock which is designed to resist cutting

Fuel Line Ferrule Crimping Tool Triumph BSA Norton Vendor_Colony Machine - Stock Parts this is the stuff youThis adjustable fuel line ferrule crimping tool is adjustable so you can crimp ferrules on or off your bike. Accepts a 1 2 inch ouside diameter ferrule and and leaves a perfect round crimp as found on stock, vintage Triumph, BSA, Norton and other British motorcycles. Made in the USA.