BorgWarner 176809 S400SX4 Turbine Housing 0.90 A/R 83mm T6 Flange

The BorgWarner 176809 is a high-performance turbine housing designed specifically for the S400SX4 turbocharger series. This precision-engineered cast iron housing features a 0.90 A/R (Area/Radius) ratio, optimized for balanced performance between spool time and peak power output.

Key Features:

• Designed for 83mm turbine wheel applications
• T6 divided inlet flange for improved exhaust flow and scavenging
• 0.90 A/R ratio provides excellent balance for medium to high horsepower builds
• Cast iron construction ensures durability under extreme heat and pressure
• Compatible with BorgWarner S400SX4 turbocharger assemblies including part number 176806
• 5-inch outlet diameter accommodates large-volume exhaust systems

This turbine housing is a critical component for turbocharger rebuilds, upgrades, or replacements. The T6 flange design is widely used in diesel performance applications and high-horsepower builds where exhaust flow efficiency is paramount. The 0.90 A/R ratio strikes an excellent balance between quick turbo response and top-end power capability, making it suitable for street performance, towing, and competition applications.

Note: This product is not CARB-compliant and is intended for off-road or racing use only.