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Manley Performance Valve Spring and Retainer Kit | Subaru WRX / WRX STI (16) (26180)

Manley Performance Valve Spring and Retainer Kit | Subaru WRX / WRX STI (16) (26180)

SKU:26180

In stock

Regular price $345.16 USD
Regular price $363.33 USD Sale price $345.16 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Manley Performance Subaru WRX/STi Valve Spring and Retainer Kit is a high-performance upgrade designed to optimize valvetrain stability and durability. Crafted from chrome-silicon alloy, these springs are engineered for maximum fatigue resistance and high-tensile strength, making them ideal for high-revving and racing applications. The kit includes premium springs and retainers that ensure precise valve control under extreme conditions, reducing the risk of valve float and maintaining consistent engine performance. Built for demanding environments, these components help achieve reliable, race-ready performance while extending the lifespan of the valvetrain.

This kit is compatible with Subaru WRX and STI models, including various years and engine configurations, particularly suited for those running aggressive aftermarket camshafts. It is a direct replacement for stock components, designed for easy installation without modifications. The set contains 16 springs and retainers, providing all necessary parts for a comprehensive upgrade. Whether for street, track, or racing use, this kit enhances valvetrain stability at high RPMs, ensuring optimal engine response and performance under demanding driving conditions.

Overview

Manley Performance Valve Spring and Retainer Kit

Fitment Summary

Part #: 26180

Overview

The Manley Performance Valve Spring and Retainer Kit is designed for high-performance and racing applications, providing a reliable solution for enthusiasts seeking to optimize their engine's valvetrain. This kit is suitable for Subaru WRX and STI models, helping to ensure consistent valve control at high RPMs and under aggressive camshaft profiles. Crafted with premium materials, these components support durability, stability, and precision, making them an excellent choice for those pushing their engines to the limit. Whether you're building a race-ready setup or upgrading your stock valvetrain for enhanced performance, this kit offers the quality and reliability needed to support your goals. It helps maintain proper valve timing, reduce valve float, and improve overall engine response, contributing to a more responsive and durable engine operation.

Key Features

This valve spring and retainer kit features high-quality materials and a thoughtful design to meet the demands of high-performance engines. Key features include:
  • Chrome-silicon alloy springs for exceptional fatigue resistance
  • High-tensile strength to withstand extreme RPMs
  • Precision-engineered retainers for secure valve seating
  • Designed to handle aggressive aftermarket camshafts
  • Engineered for maximum durability and stability
  • Helps prevent valve float during high-speed operation
  • Supports consistent valve control and engine response

Construction & Design

The springs are crafted from chrome-silicon alloy, known for its superior fatigue resistance and strength, ensuring longevity even under demanding racing conditions. The retainers are precision-machined to provide a secure fit and optimal valve seating, contributing to the overall reliability of the valvetrain.

Performance & Response

Designed to support high RPM operation, these components help maintain stable valve control, reducing the risk of valve float and ensuring precise timing. This results in improved engine responsiveness, especially during aggressive driving or racing scenarios.

Installation & Fitment

Installation requires standard valvetrain procedures and is recommended for experienced technicians or performance enthusiasts familiar with Subaru engine modifications.

What’s Included

The kit includes 16 chrome-silicon alloy springs and 16 retainers, providing enough components for multiple cylinders or a complete valvetrain upgrade.

Ideal For

This kit is ideal for Subaru WRX and STI owners looking to enhance their engine's durability and performance, especially those running aftermarket camshafts or engaging in high-RPM racing applications.
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