Aftermarket automobile engine exhaust systems comprised of mufflers; Engine fuel pumps; Exhaust silencers for engines; Exhaust system pressure sensors being parts of internal combustion engines; Ignition coils for automotive engines; Land vehicle parts, namely, spark plug wires; Pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems being sold as a unit with manufacturing machines; Pressure switches and sensors for monitoring, controlling, and ...