Ferrea GM LS1 Pro PAC Alloy Dual Valve Spring - S99100-1

Whether its for a full rebuild or some standard maintenance, the proper engine components are needed to make sure your vehicle is running smooth.

Upgrading your valve springs and retainers is the best way to help your car rev higher. If you are looking to increase the horsepower of your engine, your may have considered rebuilding the head. When rebuilding your engine's head, we recommend upgrading your valves, and springs. This will increase airflow and the RPM of your engine.

For almost 50 years Ferrea has been manufacturing hard core racing components for various types of engines in wide range of categories. The R&D department continues to innovate and produce products that keep up with today's fast growing automotive market. Ferrea technology allows them to provide the highest level of performance and reliability for their customers. Their association with many of the industry's leading head manufacters has given them the opportunity to implement these race proven high quality designs for all categories of racing.