For automotive enthusiasts who demand precision, the AutoMeter P31521 Digital Stepper Motor Fuel Pressure Gauge is an essential upgrade. This gauge doesn't just show numbers; it delivers real-time fuel pressure readings that can make or break your performance. Whether you're running a fuel-injected setup or a classic carbureted engine, this gauge ensures you get the most out of your setup without risking costly failures.
Accurate fuel pressure is crucial for optimal engine performance. The P31521 features a cutting-edge 1/8" NPT solid-state pressure transducer that provides unmatched accuracy and durability. This gauge is designed to withstand the rigors of high-performance applications, resisting vibration and heat like a champ. Don't leave your engine's safety to chance; this gauge could be the smartest investment you make.
The P31521 is a universal fitment gauge, making it suitable for a variety of vehicles. However, we recommend checking compatibility with your specific year, make, and model to ensure a seamless installation. The included direct plug-in wiring harness simplifies the process, allowing you to get back on the road quickly.
Many users have praised the P31521 for its clarity and accuracy. One 2021 Ford Mustang owner noted, "This gauge fit perfectly in my A-pillar pod and gave me precise readings during my last track day. I could see the pressure drop under heavy acceleration, which helped me tune my setup better." Another customer with a 2019 Subaru WRX said, "Installation was a breeze, and the LED colors are a nice touch. It matches my interior perfectly!"
WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information, visit www.p65warnings.ca.gov.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

AutoMeter is an aftermarket company that started in 1957. The company specializes in creating high precision gauges for various automobiles. The company was founded by Vern Westberg and initially poured sand castings in their family’s backyard. Today, Autometer is considered the leading brand when it comes to vehicle instrumentations and is being used by a lot of enthusiasts worldwide.
Experts in their FieldWith more than 60 years in the industry, the company was able to perfect its craft and developed many industry-changing products such as rev control and quick responding tachometers. They also offer an LCD Competiton data acquisition system for those who are more serious when it comes to data monitoring.
State-of-the-art FacilityAutometer has one of the industry’s most advanced manufacturing facilities based in Sycamore, IL USA. This, coupled with an advanced engineering system allows them to create parts that are durable, accurate, and precise. The company is ISO certified so you can be sure that you get quality products consistently.
Autometer has its own High-Performance division that focuses on competition spec and racing electronics and instrumentations. Using their experience, they are able to develop and continuously improve their products and adapt them to the ever-changing automotive technology.
Purchase Autometer at Vivid RacingIf you want to accurately monitor your engine’s vitals, then upgrade your gauges to Autometer. They have been the trusted brand of many enthusiasts and racers worldwide and have proven themselves as the leading brand in the industry. To know more, visit Vivid Racing and check out their list of products that would fit your specific requirement.