What is the main benefit of using titanium retainers?

Titanium retainers are significantly lighter than steel equivalents. This reduced weight in the valvetrain can lead to improved engine response and allow the engine to rev more freely at higher RPMs.

What type of valve springs are these retainers designed for?

These Ferrea retainers are specifically designed to be used with double valve springs. They are part of a system that helps manage the forces and pressures within the valvetrain during high-performance operation.

Are any other parts needed for installation?

Yes, these retainers are part of a larger valvetrain system. You will need compatible double valve springs, and it's recommended to ensure all other valvetrain components are suitable for the intended performance application.

Ferrea Subaru STI Titanium Retainer Set E11064

Name: Ferrea Subaru STI Double Spring 6 Deg Pro CNC Titanium Retainer - Set of 16
Brand: Ferrea
SKU: ferrea-ferrea-subaru-sti-double-spring-6-deg-pro-cnc-titanium-retainer-set-of-16-t14-416258
Price: 392.19 USD
Availability: BackOrder

Ferrea Subaru STI Double Spring 6 Deg Pro CNC Titanium Retainer - Set of 16

$392.19

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Ferrea Subaru STI Double Spring 6 Deg Pro CNC Titanium Retainer - Set of 16

Key Features

Set of 16 Ferrea titanium retainers for Subaru STI.
Designed for use with double valve springs.
Features a 6-degree angle, suitable for performance builds.
CNC machined from solid titanium for precision and reduced weight.
Titanium construction offers heat and wear resistance.

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Product Details

If you're rebuilding the top end of your Subaru STI's engine for high performance, you'll want to consider these Ferrea titanium retainers. They are designed to work with double valve springs and feature a 6-degree angle, which is common in many performance applications. Using titanium helps reduce overall weight in the valvetrain, which can lead to improved engine response and durability at higher RPMs.

These retainers are CNC machined from solid titanium, ensuring a precise fit and consistent performance. Ferrea is known for making well-built valvetrain components, and this set of 16 is intended for a complete engine build. The titanium construction not only saves weight but also offers good resistance to heat and wear, which is crucial for demanding engine builds.

When installing these, make sure you have the correct double valve springs and any other necessary valvetrain components to match the 6-degree angle. This set is a solid option for STI owners looking to optimize their engine's performance and reliability.