-12AN Flare to AN Straig ht Cut Thread (7/8-14)

The -12AN Flare to AN Straight Cut Thread (7/8-14) adapter is a critical fitting for any serious fuel system or hydraulic line installation. This Vibrant Performance connector bridges the gap between legacy AN flare fittings and modern straight-thread AN ports, making it indispensable for fuel injection upgrades, turbo builds, and high-flow cooling systems. Whether you're retrofitting vintage carburetors to modern fuel rails or connecting braided hose assemblies in a custom engine bay, this adapter ensures leak-free performance under pressure while maintaining full compatibility with both fitting styles.

Constructed with precision machining, the -12AN Flare to AN Straight Cut Thread adapter features a 7/8-14 thread pitch on the straight end, allowing it to seat directly into AN-ported components without requiring reducers or adapters. The flare end accepts standard -12AN flare fittings with a proven 37-degree seat geometry, preventing hose slippage and maintaining structural integrity even under sustained high pressure or vibration. Vibrant Performance's commitment to aerospace-grade tolerances means this fitting will not leak or weep—critical when fuel or coolant escape could damage engine internals or cause safety hazards. The compact 3 x 1.2 x 3.5-inch profile fits snugly in tight engine bay layouts common to stroker builds and supercharged platforms.

Mechanics and performance builders rely on this adapter when upgrading fuel systems on LS engines, small-block Chevys, and turbocharged imports where modern fuel rails or dampers feature straight-thread inlets but existing hose assemblies use flare connections. Installation requires only a wrench and basic fitting knowledge—hand-tighten first, then apply firm wrench pressure to the hex body to avoid cross-threading. For maximum longevity, apply a light coat of thread sealant to the straight end before installation, and ensure the flare fitting is bottomed fully before final torque. This adapter is a permanent addition to any high-performance fuel system and pairs seamlessly with Vibrant's hose kits and rail assemblies.