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The BBK Power-Plus twin 52mm throttle body for 1989–1992 GM 305/350 is a direct-fit replacement that increases airflow and throttle response while working with the factory tune—no additional tuning required. CNC-machined from 356 aluminum, it includes all gaskets and hardware and is rated to deliver a 7–12 RWHP gain for a practical, bolt-on improvement in drivability.
BBK 89-92 GM 305 350 Twin 52mm Throttle Body BBK Power Plus Series
