Malpassi Adjuster Lock Nut (All Regulators) (RA016/2)

The Malpassi Adjuster Lock Nut (RA016/2) is a precision accessory designed to secure regulator settings on all Malpassi fuel regulators. Crafted for reliability, this lock nut ensures your metering remains stable under varying pressures and temperatures, helping maintain consistent fuel delivery and optimal performance. Easy to install and built to withstand automotive environments, it’s an essential upgrade for enthusiasts tuning carbureted or fuel-injected systems. Whether you’re dialing in a race setup or seeking long-term consistency in everyday driving, this lock nut provides the secure grip needed to prevent unwanted setting changes during operation. Durable materials and a precise fit make it a practical addition to any Malpassi regulator toolkit.