Big Boss Turbo 78mm W/HSM 1.45 AR Housing

The Big Boss Turbo 78mm w/ HSM 1.45 A/R Housing is engineered for serious performance and efficiency gains in heavy-duty diesel engines. Built with precision-balanced components and advanced aerodynamics, this turbocharger delivers faster spool times, improved airflow, and exceptional durability under extreme load conditions.

Featuring a 78mm compressor wheel and 1.45 A/R high-silicon molybdenum (HSM) turbine housing, the Big Boss Turbo provides a balanced combination of high-end horsepower and low-end torque. The robust HSM alloy construction ensures superior heat resistance and structural integrity, allowing consistent boost pressure and reduced exhaust backpressure for more responsive throttle control.

Perfect for professional operators, performance enthusiasts, and fleet upgrades, the Big Boss Turbo 78mm offers proven power gains, cooler exhaust temps, and the reliability expected from a precision-engineered performance turbo.