Allstar Performance bulkhead fittings are designed to fit through the body or frame of your race car. They are manufactured from durable aluminum and are black anodized for maximum durability. The fittings include an attaching nut so that they can be mounted through a C-channel frame or chassis tab. These fittings are available in a variety of sizes and in both straight, 90 degree, and "T' confiurations. Sold Individually.