Female to Male Reducer Adapter; Female Size: -12AN; Male Size: -10AN 1990-pontiac-firebird-esi3548487 Or you can open up

Or you can open up the hole ever so slightly and fit the nut/washer included and accommodate it

- MIG Welded Construction- Supplied with Brilliant Durable Powder Coat Finish

Note: Spacers may work on other vehicle models

BMR Suspensions KM001-1 Tubular K-Member is available in black hammertone and red powdercoat for long-lasting good looks

The ball joints attach to the sway bar with 12mm studs

Female to Male Reducer Adapter; Female Size: -12AN; Male Size: -10AN 1990-pontiac-firebird-esi3548487 Or you can open upVibrant Performance Female AN to Male AN Flare Reducer Adapters are lightweight and constructed from 6061 Aluminum Alloy. Our Female AN to Male AN Flare Reducer Adapters deliver quality, reliability, smooth flow, ease of assembly and the comfort of an anti leak seal and are designed to fit most popular oil pumps, fuel pumps, fuel filters and a wide range of other common components. All Vibrant Performance Adapter Fittings are available in anodized