The Cummins Restriction Gauge is the ultimate solution for monitoring and maintaining optimal performance of your engine. This easy-to-install gauge is designed for maximum durability and longevity, ensuring reliable and accurate readings. With this gauge, you can reduce downtime by proactively monitoring and addressing any potential restrictions in your engine's air intake system. This can help prevent costly repairs and keep your engine running at peak efficiency. FleetPride is your First Click in Heavy Duty®.