Ferrea Subaru WRX STI Endurance Dual Spring Kit

The Ferrea Subaru WRX STI Endurance Dual Spring Kit is engineered to provide superior performance and reliability for high-performance Subaru WRX STI engines. This dual spring kit includes both inner and outer springs, specifically designed to handle the increased stress of high-revving, endurance, and racing applications. Built to endure extreme conditions, these springs provide excellent valve control at high RPMs, improving engine reliability and performance, particularly in high-boost or heavily modified engines. This kit is ideal for motorsport enthusiasts who demand the best for their WRX STI builds.

Key Features:

• Dual Spring Design: Includes both inner and outer springs for better valve control, reducing spring fatigue and ensuring more reliable performance at high RPMs.
• Endurance-Grade Springs: Designed to withstand extreme stress and high-revving conditions, making them perfect for endurance racing and high-performance builds.
• Improved Valve Control: Provides superior valve control at high RPMs, reducing the risk of valve float and improving engine performance under demanding conditions.
• Ideal for Modified and Racing Engines: Perfect for high-boost, turbocharged, and heavily modified WRX STI engines.
• Durability: Built to endure the intense forces of motorsport applications, ensuring long-lasting performance and reliability.
• Designed for the Subaru WRX STI: Engineered specifically for Subaru WRX STI models, ensuring optimal fitment and performance.

Specifications:

• Spring Type: Dual spring kit (inner and outer)
• Application: Subaru WRX STI (endurance and racing applications)
• Material: High-quality steel for durability and strength
• Performance Level: Endurance, high-performance
• Purpose: Prevent valve float, improve engine reliability, enhance RPM capabilities
• Fitment: Designed for Subaru WRX STI models
• Warranty: 1-year limited warranty

Applications:

The Ferrea Subaru WRX STI Endurance Dual Spring Kit is ideal for Subaru WRX STI owners who are building or upgrading their engines for motorsport use, whether it's for endurance racing, drag racing, or other performance applications. This kit will ensure that your engine has the durability and performance needed to handle high RPMs, extreme conditions, and increased boost levels.