BorgWarner 11581008003 B1 Turbine Housing 58mm 0.85 A/R V-Band Inlet

The BorgWarner 11581008003 is a high-performance turbine housing designed for B1 frame turbochargers. This precision-engineered component features a 58mm turbine wheel inlet and a 0.85 A/R (area-to-radius) ratio, providing an optimal balance between boost response and top-end power delivery.

Key Specifications:

• Frame Size: B1 (compatible with BorgWarner EFR and Airwerks turbochargers)
• Turbine Wheel Inlet: 58mm
• A/R Ratio: 0.85
• Inlet Connection: V-Band style for secure, leak-free installation
• Outlet Connection: Single scroll design
• Material: High-grade cast iron construction for durability and heat resistance

This turbine housing is ideal for performance enthusiasts and tuners looking to optimize their turbocharger setup. The V-Band inlet connection ensures quick installation and removal while maintaining excellent sealing under high exhaust temperatures and pressures. The 0.85 A/R ratio is well-suited for applications requiring strong mid-range torque with excellent top-end flow characteristics.

Designed and manufactured to BorgWarner's exacting standards, this turbine housing delivers reliable performance in demanding forced induction applications.