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The GReddy yellow wastegate spring is specified for Type R or Type C external wastegates and is rated at approximately 0.8–1.2 kg/cm2. It changes the boost threshold by altering the spring rate in compatible external wastegate assemblies, providing a predictable way to adjust boost control. Use only with the specified GReddy wastegate types to maintain intended operation and calibration.
GReddy Yellow Wastegate Spring for Type R or C External Wastegate 0.8-1.2 kg/cm2
