What makes titanium retainers a good choice for performance engines?

Titanium is chosen for its high strength-to-weight ratio. It's significantly lighter than steel, which reduces reciprocating mass in the valve train. It also offers excellent durability under the high temperatures and stresses found in performance BMW engines.

Are these retainers compatible with any valve spring?

These retainers are specifically designed for double spring setups and a 7-degree valve angle. It's important to ensure they are paired with compatible valve springs and keepers that meet your engine's performance requirements.

What is the benefit of CNC machining for these retainers?

CNC machining ensures that each retainer is manufactured to very tight tolerances. This precision is crucial for a proper seal on the valve stem and consistent operation of the valve train, contributing to overall engine reliability and performance.

Ferrea Titanium Valve Spring Retainer Set E11025

Name: Ferrea BMW S42/M42/M50/S50/M52/M54 Double Spring 7 Deg Pro CNC Titanium Retainer - Set of 12
Brand: Ferrea
SKU: ferrea-ferrea-bmw-s42-m42-m50-s50-m52-m54-double-spring-7-deg-pro-cnc-titanium-r-t14-416218
Price: 324.71 USD
Availability: InStock

Ferrea BMW S42/M42/M50/S50/M52/M54 Double Spring 7 Deg Pro CNC Titanium Retainer - Set of 12

$324.71

Only 2 left in stock

Ferrea BMW S42/M42/M50/S50/M52/M54 Double Spring 7 Deg Pro CNC Titanium Retainer - Set of 12

Key Features

Fits BMW S42, M42, M50, S50, M52, and M54 engines.
Set includes 12 Pro CNC titanium retainers.
Designed for double spring applications.
Features a 7-degree valve angle compatibility.
Constructed from lightweight and strong aerospace-grade titanium.
CNC machined for precise dimensions and consistent fit.

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Product Details

Crafted from aerospace-grade titanium, these Ferrea Pro CNC retainers are built to handle the demands of high-performance BMW engines. Specifically designed for double spring setups with a 7-degree valve angle, they offer a strong and lightweight solution for your valve train. The CNC machining ensures precise dimensions, which is critical for proper valve sealing and consistent engine operation.

Using titanium here isn't just about saving weight, though these retainers are significantly lighter than steel alternatives. It's also about strength and durability under extreme heat and stress. This set includes 12 retainers, making it suitable for engines with a standard cylinder count within the S42, M42, M50, S50, M52, and M54 families. Ferrea is known for making well-built components, and these retainers are a solid option for anyone rebuilding or upgrading their BMW's top end.

When working on your valve train, ensuring all components are correctly seated and torqued is key. These retainers are designed to fit right with compatible valve springs and keepers, but always refer to your engine's specific service manual for installation procedures and torque specifications.