Engine Water Pump Mechanical Long Style High Flow Model Polished SB Chevy ProformPROFORM high flow mechanical water pumps feature heavy duty ball bearings for up to 40 percent more coolant flow giving you real performance value for your dollar. Aluminum construction reduces front end weight! Sold individually. Product Details: Engine Water Pump Fits Small Block Chevy Engines High Flow Model Mechanical Type Long Style Pump Made from High Quality Aluminum Polished Finish Heavy Duty Ball Bearings Sold As Each