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The BBK Power-Plus twin 58mm throttle body for 1985–1988 GM 305/350 is a direct-replacement throttle body engineered to improve airflow and throttle response. CNC-machined from 356 aluminum with OEM-style linkages and sealed bearings, it can boost airflow substantially and works with the vehicle’s factory tune; no additional tuning is required for improved drivability.
BBK 85-88 GM 305 350 Twin 58mm Throttle Body BBK Power Plus Series
