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Est. 1957
Ferrea

Ferrea Subaru WRX EJ20 Drag Racing Dual Spring Kit

$1089.51

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Ferrea Subaru WRX EJ20 Drag Racing Dual Spring Kit

Key Features

  • Fits Subaru WRX EJ20 engines.
  • Designed for drag racing applications.
  • Dual spring design for enhanced valve control.
  • Constructed with high-strength materials for durability.
  • Helps prevent valve float at high RPMs.
  • Part number KT4017.
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About this part

Product Details

If you're building a Subaru WRX EJ20 for serious drag racing, controlling valve float at high RPMs is critical. This Ferrea dual spring kit, part number KT4017, is designed specifically to handle the demands of competition engines pushing past stock limits. These springs work to keep your valves securely seated, even when the engine is screaming at redline, which is essential for preventing catastrophic engine damage and maintaining consistent power delivery down the track.

Ferrea is known for making well-built valvetrain components, and this kit is no exception. It uses high-strength materials selected for their ability to withstand the intense forces and heat generated in a race engine. The dual spring design offers a more robust solution than single springs, providing increased stability and control over the valve motion. This setup is intended for drag racing applications where sustained high-RPM operation is the norm, and reliability under extreme stress is paramount. You'll want to ensure your camshafts and retainers are compatible with this type of high-performance spring setup to get the most out of the kit.

When installing this kit, it's important to follow the manufacturer's recommended procedures carefully. Proper installation is key to achieving the intended performance and durability. This kit is a significant upgrade for any EJ20 engine built for the track, offering the peace of mind that comes with using specialized components designed for extreme conditions.

Specifications

Brand
Ferrea
Manufacturer Part #
KT4017

Frequently Asked Questions

Ferrea Subaru WRX EJ20 Drag Racing Dual Spring Kit

$1089.51