Inverted Flare Nut 10pk 7/16-24 for 1/4 Line

The Inverted Flare Nut 10pk 7/16-24 for 1/4 Line from Allstar Performance is an essential brake and fuel system component for serious engine builders and restoration enthusiasts. These fittings are critical for high-pressure applications where reliable, leak-free connections are non-negotiable—particularly in racing, performance modifications, and classic car restorations.

Inverted flare nuts are the industry standard for hydraulic brake lines and fuel delivery systems because they create a positive metal-to-metal seal that withstands thermal cycling and vibration far better than straight-thread alternatives. This 10-pack features a 7/16-24 thread pitch sized for 1/4 inch tubing, a configuration commonly found in classic muscle cars, street rods, and performance builds where brake and fuel line routing demands precision and durability.

Mechanics working on fuel system upgrades, brake line relocations, or engine swaps will recognize this as the go-to solution for secure, professional-grade connections. The inverted design—where the sealing cone faces inward—eliminates galling and ensures repeatable, consistent torque specifications without stripping or cross-threading. Allstar Performance's manufacturing standards ensure dimensional accuracy and material integrity, preventing the leaks and failures that plague inferior knockoff fittings.