When it comes to dependable V8 power, the LQ4 engine is in a class of its own. Originally introduced by General Motors for heavy-duty trucks, the LQ4's iron block and high-flow cylinder heads make it a reliable foundation for performance builds. Enthusiasts appreciate its ability to take significant horsepower gains without requiring internal reinforcements. The 6.0L displacement and sturdy design allows the LQ4 to produce up to 500+ horsepower with simple bolt-on upgrades. Its 9.4:1 compression ratio makes it perfect for forced induction setups, while the LS-style architecture means easy compatibility with aftermarket parts. Whether you're building a race car, 4x4, or daily driver, the LQ4 engine provides a balance of strength and performance that continues to impress builders worldwide.