Ferrea Retainer AL RET HO 7D 5.5 28.
For the past 40 years, Ferrea has been manufacturing hard core racing components for various types of engines in a wide range of categories worldwide.
Their company uses the latest technological advances gained through the development of engine valve programs for Formula 1, Indy Car , NASCAR, Sprint Car, Drag and Road racing teams.
This technology allows them to provide the highest level of performance and reliability for their customers. Ferrea's association with many of the industry's leading head manufacturers has given them the opportunity to implement these race proven high quality designs for all categories of racing.