Fuelab Diaphragm and O-Ring Kit for 515xx and 525xx Series Regulators; Large Seat (Universal; Some Adaptation May Be Required)

High-Performance Replacement. The Fuelab Diaphragm and O-Ring Kit for 515xx, 525xx, and 595xx Series Regulators with large seats is designed to restore proper sealing and functionality to fuel pressure regulators. This kit helps maintain consistent fuel delivery, ensuring optimal engine performance and preventing leaks. It is essential for maintaining the longevity and reliability of the fuel system.

Construction and Appearance. The kit includes precision-engineered diaphragms and O-rings made from durable, fuel-resistant materials designed to withstand harsh operating conditions. The components feature a robust finish that ensures long-lasting performance and resistance to wear and fuel degradation.

Installation. Installation is straightforward and designed to fit directly into the specified series regulators with large seats. No drilling or special modifications are required, making it suitable for professional and enthusiast use alike.

Warranty. This kit is backed by a limited lifetime warranty, guaranteeing quality and durability over the product’s lifespan. Application. Fits universal; some adaptation may be required.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov