What does changing the wastegate spring do?

Changing the wastegate spring alters the pressure at which the wastegate opens. A stiffer spring, like this one, requires more exhaust pressure to open, which in turn allows the turbocharger to build more boost before the wastegate bypasses exhaust gas.

What is the boost pressure range for this spring?

This yellow GReddy spring is designed for a boost pressure range of 0.8 to 1.2 kg/cm2. This is the pressure at which the wastegate will begin to open and regulate boost.

Is this spring compatible with other brands of wastegates?

This wastegate spring is specifically designed to fit GReddy Type R and Type C external wastegates. Compatibility with other brands is not guaranteed.

GReddy Wastegate Spring Type R/C 0.8-1.2 kg/cm2 11900260

Name: GReddy Yellow Wastegate Spring for Type R or C External Wastegate 0.8-1.2 kg/cm2
Brand: GReddy
Price: 51.20 USD
Availability: InStock

GReddy Yellow Wastegate Spring for Type R or C External Wastegate 0.8-1.2 kg/cm2

$51.20

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GReddy Yellow Wastegate Spring for Type R or C External Wastegate. Adjusts boost from 0.8-1.2 kg/cm2.

Key Features

Fits GReddy Type R and Type C external wastegates.
Yellow spring rated for 0.8-1.2 kg/cm2 boost pressure.
Allows for adjustment of wastegate opening pressure.
Direct replacement part for easy installation.

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Product Details

When you're tuning your turbocharged setup and need to dial in your boost pressure, swapping out the wastegate spring is a common way to adjust the boost threshold. This yellow spring from GReddy is designed for their Type R or Type C external wastegates, allowing you to set your boost between 0.8 and 1.2 kg/cm2.

This well-built spring is a direct replacement for the spring that came with your wastegate. By changing the spring tension, you're essentially changing the amount of exhaust pressure needed to open the wastegate's diaphragm and bypass exhaust gas. A stiffer spring, like this one, will hold boost pressure longer before the wastegate starts to open, resulting in a higher overall boost level. It's a straightforward way to fine-tune your engine's performance without needing to change other components.

If you're looking to increase your boost pressure or simply want to adjust the point at which your wastegate activates, this GReddy spring is a solid option. Make sure to consult your wastegate's manual for the correct installation procedure.