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H4SO

The H4SO category encompasses a specific line of horizontally opposed four-cylinder gasoline engines manufactured by Subaru. These engines are renowned for their compact design, low center of gravity, and smooth operation, making them ideal for a variety of automotive applications where performance and balance are critical. Their unique boxer configuration contributes to reduced vibration and a lower hood line, enhancing both driving dynamics and vehicle aesthetics. Common uses include performance sedans, sports cars, and certain crossover utility vehicles, where their efficiency and power delivery are highly valued.

Documentation for H4SO engines includes comprehensive service manuals detailing routine maintenance schedules, diagnostic procedures,...