AN6 (9/16-18 UNF) female to 2 x AN6 (9/16-18 UNF) male Y block fuel splitter Manufactured from lightweight 6061-T6 billet aluminum Anodized finish for strength, durability and anti-corrosion Suitable for oil / fuel / coolant / water / air / gas, etc; Great for any liquid or gas application where a high-flow splitter is needed All Podavelle fittings and adapters are fully compatible with gasoline and alcohol based fuels