Mercury Racing Engines - 525 EFI

Black Anodized Female AN Flare Cap. Hex Head. These fittings are designed to seal flared female ports.

Black Anodized AN O-Ring Boss Hex Port Plug. Includes O-Ring

Black Anodized Male AN Internal Wrenching Cap. Allen Socket. These fittings are designed to seal female ports keeping flush with the surface.

Black Anodized Straight Thread Port Plug Adapter Fitting XRP popular adapter fittings for race cars, street performance vehicles, and watercraft. Uses O-ring, crush washer or Stat-O-Seal, not included.

Blue Anodized Male AN Internal Wrenching Cap. Allen Socket. These fittings are designed to seal female ports keeping flush with the surface.

Blue Anodized Straight Thread Port Plug Adapter Fitting XRP popular adapter fittings for race cars, street performance vehicles, and watercraft. Uses O-ring, crush washer or Stat-O-Seal, not included.

Red Anodized Female AN Flare Cap. Hex Head. These fittings are designed to seal flared female ports.

Super Nickel Finish Female AN Flare Cap. Hex Head. These fittings are designed to seal flared female ports.