TiAL 004027 Q Blow Off Valve High-Flow BOV with Multi-Spring Vacuum Control

The TiAL Q Blow Off Valve (Part #004027) is TiAL's first revision of their original BOV design, engineered to deliver class-leading airflow performance for forced induction applications. The Q BOV is widely regarded as one of the highest-flowing blow off valves on the market, making it a top choice for turbocharged builds demanding rapid pressure relief and consistent boost response.

Key Features:

• Direct bolt-on fitment to any standard TiAL flange — no re-welding or custom fabrication required
• Exceptional flow capacity, rated among the highest-flowing BOVs available
• Available with a variety of interchangeable springs to accommodate different vacuum and boost pressure levels
• Precision-machined construction consistent with TiAL's reputation for high-quality performance components
• Compatible with a wide range of forced induction setups using the standard TiAL flange pattern

The TiAL Q BOV offers enthusiasts and professionals alike a reliable, high-performance pressure relief solution that installs cleanly onto existing TiAL flange infrastructure. The multi-spring configuration allows tuners to fine-tune cracking pressure for their specific boost targets, ensuring optimal valve response across a broad range of applications.