1 x 7/16-24 to 4AN Adapter with 1.0mm Restrictor (0.4375in-24 to 4AN adapter w/ 0.039 Restrictor). MAMBA SS304 Garrett Ball Bearing GT25R/GT28R/GT29R/GT30R/GT35R/T04Z 4AN adapter fitting (Reusable / No Washer needed / 1.0mm Restrictor/0.039 Restrictor).
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