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The TiAL Sport replacement spring Q11/BV12 (yellow) is a specified spare spring for TiAL wastegate valves, identified by its Q11/BV12 designation. It is intended as a direct-fit replacement to alter valve actuation characteristics where those spring options are supported. Swap springs only with compatible TiAL assemblies and follow installation guidance to achieve the intended response.
TiAL Sport Replacement Spring - Q 11/BV 12 Yellow
