This Mallory 4309 adjustable fuel pressure regulator is a high-quality performance part for your vehicle. It is designed to regulate the fuel pressure and ensure optimum engine performance. The regulator is made by Mallory, a trusted brand in the automotive industry.

With its adjustable design, this fuel pressure regulator can be easily customized to fit your specific needs. It is compatible with a wide range of vehicles and is perfect for those who want to upgrade their fuel system. Whether you're a professional mechanic or a DIY enthusiast, this Mallory fuel pressure regulator is a great choice for improving your vehicle's performance.