Crate Engine SBC 350/400 HP (ASA LM Spec.Engine)

The Crate Engine SBC 350/400 HP (ASA LM Spec.Engine) from Chevrolet Performance is a turn-key, ready-to-run small-block power plant engineered for operators who demand reliable, proven propulsion in vehicles built for off-grid missions, patrol operations, or sustained-load tactical transport. This crate engine delivers the dependability required in high-stress field environments where engine failure is not an option. Whether you're building out a purpose-built law enforcement support vehicle, a long-range patrol rig, or a logistics platform that must operate in remote or austere conditions, the SBC 350/400 HP unit provides established Chevrolet Performance engineering with minimal integration complexity.

Built to ASA Limited Motorsports specifications, this small-block Chevy produces 400 horsepower from a displacement-proven 350-cubic-inch platform, delivering the torque curve and sustained power delivery required for heavy-duty applications. The engine arrives fully assembled, balanced, and dyno-certified, eliminating field assembly variables and ensuring consistent performance from first startup. Cast-iron construction and forged internals withstand temperature extremes, altitude variation, and the thermal stress of continuous operation under load.

The SBC architecture offers decades of proven reliability in military and law enforcement fleet applications, with readily available parts support and straightforward diagnostic procedures. This engine is compatible with Gen-1 and Gen-2 Chevrolet, GMC, and Pontiac platforms, making it a versatile choice for various applications. Its robust design ensures that it can handle the demands of tactical transport and off-grid missions effectively.