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APR MS100258 Valve Spring Kit - High Performance Titanium Retainers

(Audi S4 2010-16, Q7 2007-15, 2017-25, A4 Quattro 2005-25, A6 Quattro 2005-25, Q5 2009-25, TT Quattro 2009-23, A4 2005-20 + 51 more models)

Manufacturer

Picture for manufacturer APR

Part Number

MS100258
6 reviews
Sale Price

$61.45

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The APR MS100258 Valve Spring Kit delivers enhanced valvetrain performance through precision-engineered components designed for high-revving applications. This complete set features weight-saving beehive springs paired with aerospace-grade titanium retainers for improved valve control and reliability.

Key Features:

  • ASTM A877A OTSC round wire steel springs with lightweight beehive design
  • 6AL4V American titanium retainers for maximum strength and minimal weight
  • Ultra-lightweight construction: 29 grams per spring, 2 grams per retainer
  • Eliminates valve float issues, particularly on MK6 EA888.1 engines
  • Compatible with OEM valves for direct plug-and-play installation
  • Supports higher RPM operation with increased valvetrain control

This valve spring kit is engineered for performance enthusiasts seeking reliable valvetrain upgrades that support aggressive cam profiles and high-RPM operation. The combination of lightweight materials and proven spring geometry provides the durability needed for demanding applications while maintaining compatibility with factory valve systems.

Products specifications

Fits

Audi S4 2010-16, Q7 2007-15, 2017-25, A4 Quattro 2005-25, A6 Quattro 2005-25, Q5 2009-25, TT Quattro 2009-23, A4 2005-20, A3 2006-13, 2015-20, 2022-24, A8 Quattro 2007-18, A5 Quattro 2008-24, S5 2008-16, S3 2015-20, 2022-24 + 46 more models

Brand

APR

Category

Engine

Emission Code

6

Grade Type

Performance

Includes

Spring, spring retainer, spring seat

Product Type

Engine Internals (Valve Springs)

Spring Type

Beehive

Sub Category

Valve Train Components

Warning

California Proposition 65

My order was shipped and received in a timely manner. The part I ordered was an exact match to the part I was replacing.

great

Clutch was in stock as shown online and shipped same day and arrived in 2 days from Texas to Washington state.

great service

Quick and easy

Great price!! Appreciate it.

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