• Brian Crower Valve Spring & Retainer Kit | 2004 - 2006 Scion xA & 2007 - 2012 Toyota Yaris (BC0330)
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Brian Crower Valve Spring & Retainer Kit | 2004 - 2006 Scion xA & 2007 - 2012 Toyota Yaris (BC0330)

Brian Crower Valve Spring & Retainer Kit | 2004 - 2006 Scion xA & 2007 - 2012 Toyota Yaris (BC0330)

BC0330

In stock

$261.18 USD
$300.00 USD $261.18 USD
vADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Brian Crower Valve Spring & Retainer Kit is a high-performance upgrade designed to improve engine durability and responsiveness. Crafted with precision and high-quality materials, this kit enhances valvetrain stability by providing reliable spring tension and retainer support. It is engineered to withstand increased engine stresses, making it ideal for enthusiasts seeking to optimize performance and longevity. The kit ensures consistent valve operation, reducing the risk of valve float and improving overall engine efficiency, especially during high RPM operation.

This universal fitment kit is suitable for 2004-2006 Scion xA and 2007-2012 Toyota Yaris models. It is a direct replacement upgrade for stock components, offering a straightforward installation process. The kit includes valve springs and retainers designed to meet or exceed OEM specifications, ensuring compatibility and durability. Ideal for street and performance applications, this valve spring and retainer kit supports enhanced engine response and reliability in daily driving or moderate tuning setups.

Overview

Brian Crower Valve Spring & Retainer Kit

Part #: BC0330

Overview

The Brian Crower Valve Spring & Retainer Kit is a high-performance upgrade designed for enthusiasts seeking to enhance their engine's durability and responsiveness. This kit is suitable for a range of applications, including the 2004-2006 Scion xA and 2007-2012 Toyota Yaris, providing a reliable solution for those aiming to optimize their engine's valvetrain stability. Crafted with precision and quality materials, this kit helps support higher lift camshafts and aggressive valve profiles, ensuring consistent performance under demanding conditions. It is ideal for those looking to improve engine response, maintain valve control at higher RPMs, and achieve a more aggressive engine character without sacrificing reliability.

Key Features

This valve spring and retainer kit features advanced engineering to meet the demands of high-performance applications. Key features include:
  • High-quality steel construction for strength and durability
  • Precisely engineered to support high lift cam profiles
  • Designed to maintain proper valve seating and prevent float
  • Optimized spring pressure for improved response and stability
  • Retainers made from lightweight, durable materials to reduce valvetrain mass
  • Manufactured to strict tolerances for consistent fit and function

Construction & Design

The kit is constructed from premium materials, including high-grade steel for springs and retainers, ensuring longevity and resistance to fatigue. The design focuses on providing optimal spring pressure and stability, supporting high-performance camshaft profiles while maintaining reliable valve control.

Driving Feel & Feedback

While primarily a performance upgrade, this kit helps improve engine response and throttle feel by ensuring consistent valve operation at higher RPMs. It supports a more aggressive engine character, enhancing overall driving engagement without compromising reliability.

Installation & Fitment

Installation requires removal of the cylinder head components and precise handling to ensure proper spring and retainer seating. Compatibility should be verified against vehicle specifications and part number BC0330 to ensure proper fitment.

What’s Included

The package includes a complete set of valve springs and retainers designed for specific engine applications, ensuring a comprehensive upgrade for your valvetrain.
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