Pingel Valve Adapter For Guzzler Fuel Valve For Harley Features: Offers better fuel flow and retains the stock crossover connection Don't let the stock fuel valve be the main jet - the stock fuel valve setup simply cannot support the fuel demands of today's high-performance engine Stainless steel gas tank adapter with any 22mm threaded Pingel power-flo for guzzler fuel valve (sold separately) will drastically improve your fuel supply