Ferrea Endurance Dual Spring Kit 2004-2021 STI

Description:
For almost 50 years we have been manufacturing hardcore racing components for various types of engines in a wide range of categories. Our R&;D department continues to innovate and produce products that keep up with today's fast-growing automotive market. Our technology allows us to provide the highest level of performance and reliability for our customers. Our association with many of the industry's leading head manufacturers has given us the opportunity to implement these race-proven high-quality designs for all categories of racing.

Includes:
- Dual Springs = #S10098 (Qty 16)
- Titanium Retainers = #E11065 (QTY 16)
- Seat Locators = #SL1051 (QTY 16)
- Valve Locks = #K10074 (QTY 16)

Applications:
2004-2007 STI
2008-2014 STI
2015-2021 STI