Chevy LQ4 408 CI Stroker Base Engine

The ATK High Performance Engines LS01 is a high-performance stroker base engine designed for Chevy LQ4 applications. This engine is built around a seasoned OE LQ4 6.0L cast iron block, enhanced with a Manley 4340 crankshaft and aluminum cylinder heads. The stroker configuration increases the displacement to 408 cubic inches (6.7L) with a bore and stroke measuring 4.030 x 4.000 inches. Engineered for significant power output, the LS01 delivers impressive performance figures. It produces up to 630 horsepower and 560 lb-ft of torque, making it a potent upgrade for performance-oriented builds. The engine's components are selected for durability and high-RPM capability. This engine is categorized as a base engine, meaning essential components like the intake manifold may not be included, requiring separate purchase or transfer from an existing engine. It is part of ATK's LS-based engine lineup, known for its robust construction and performance capabilities.