The Garrett GBC17-250 turbine housing wastegate assembly kit is a T25, 5-bolt turbine housing specified with a 0.50 A/R ratio. Offered as a complete wastegate assembly kit, it matches Garrett's GBC17-250 designation and is intended for compatible turbocharger rebuilds or upgrades that accept a T25 5-bolt turbine housing and the specified A/R sizing.
Garrett GBC17-250 0.50 A/R O/V T25/5-Bolt Turbine Housing Wastegate Assembly Kit