XDP XD389 PERFORMANCE VALVE SPRINGS AND RETAINER KIT 1999.5-2003 FORD POWERSTROKE 7.3L

Enhance the strength and efficiency of your 1989-1998 Dodge 5.9L Cummins engine with the XDP Performance Valve Springs and Retainer Kit XD389. Often overlooked in performance modifications, valve springs play a crucial role in ensuring optimal performance under increased engine stresses.

Designed specifically for the 5.9L Cummins engine, the XDP Performance Valve Springs and Retainer Kit XD389 offer a robust solution to the limitations of stock valve springs. As your engine undergoes modifications such as higher RPM, boost levels, and additional performance upgrades like aftermarket turbochargers and injectors, the importance of upgrading valve springs becomes apparent.

With the conical design of the XD389 Valve Spring Kit, superior valve control is achieved, mitigating the risks of valve float and reversion that can lead to engine damage and decreased performance. The smaller and lighter spring retainers contribute to enhanced durability and efficiency, making them suitable for a wide range of applications, from stock engines to high-performance race builds.

Capable of safe operation up to 5,000 RPM, the XDP Performance Valve Springs and Retainer Kit XD389 provide the necessary support for elevated boost levels, ensuring optimal engine performance. Each spring undergoes rigorous stress relief processes and computer load mapping to deliver a high-quality product with long-lasting resilience.

Included in the kit are springs, locks, retainers, and a 1-year unlimited mileage warranty from XDP, offering peace of mind with your purchase. Upgrade your Cummins engine with the XDP XD389 Performance Valve Springs and Retainer Kit to unlock its full potential and handle the demands of your performance modifications.