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The BBK Power Plus twin 58mm throttle body for 1992–1993 GM LT1 5.7 applications is a direct replacement for the restrictive factory unit, offering up to 30% improved airflow for stronger horsepower, torque and throttle response while preserving OEM driveability. CNC-machined from 356 aluminum and assembled with OEM-style linkages and seals, it includes required gaskets and hardware and requires no tune.
BBK 92-93 GM LT1 5.7 Twin 58mm Throttle Body BBK Power Plus Series
