This 4.2L V8 engine, identified by the 5th digit VIN R, is a powerful used engine designed to deliver reliable and versatile performance. The naturally aspirated setup ensures balanced power delivery across various conditions, while the sequential fuel injection system promotes efficient fuel use. With its compact V8 configuration, this engine offers a great power-to-weight ratio, suitable for a range of applications. The dual overhead camshaft with optimized camshaft design allows for efficient airflow, making this used engine a top choice for buyers seeking strength and versatility in their powertrain needs.