Precision-cast units designed to meet or exceed OEM specificationsSpecial heat treated rocker arms and case-hardened pins to ensure long-lasting performanceUpgraded seals and pump diaphragms for compatibility with modern multi-fuel blends100 percent tested throughout the entire manufacturing process for worry free, out-of-the-box performanceLimited 1 Year WarrantyAirtex mechanical fuel pumps are designed to meet or exceed OEM specifications for fit and performance. Precision castings and hardened rockers help ensure a long life. Advanced polymer pump diaphragms help ensure consistent performance in multiple fuel blends. Coverage for classic, performance and non-fuel injected vehicles. A new fuel filter is recommended when replacing. Free technical assistance is available at 800-424-7839.