Duster Brake Combinbation/ Prop Valve

DON'T buy brake parts (master cyls or brake proportioning valves) or gas tank parts on eBay. You'll be sorry. The $10-15 difference will end up haunting you. The cheaper price means Chinese ripoff.
Year One is more expensive, but the stuff is correct.
They sell a 3/8" fuel pickup unit that can replace your measely 5/16 OEM unit for easy horsepower pickup.