Upgrade your cooling system with the Blackworks Racing (BWR) Upper Coolant Housing, designed specifically for Acura Integra GSR B18C1 engines. Engineered for performance and durability, this precision-machined housing features a -16AN male fitting to allow easy connection to custom or race-spec cooling setups.

Crafted from billet aluminum, this BWR coolant housing delivers superior strength, heat resistance, and leak-free performance under the most demanding conditions. Whether you’re running a street build, turbo setup, or a full track car, this upgrade ensures optimal coolant flow and reliability.

The anodized finish not only provides corrosion protection but also gives your engine bay a clean, professional look worthy of high-end performance builds. Perfect for enthusiasts looking to eliminate OEM weak points and modernize their engine cooling configuration.

Features:

• Application: Acura Integra GSR B18C1

• Fitting Size: -16AN male outlet

• Material: CNC-machined billet aluminum

• Finish: Anodized for durability and corrosion resistance

• Performance Benefits:

  • Enhances coolant flow efficiency

  • Supports custom and high-performance cooling systems

  • Perfect for turbo and race applications

• Direct Fit: Easy installation with precise factory mounting points

Perfect For: Acura Integra GSR (B18C1) and other compatible B-series engines.