Turbosmart RacePort Series Blow Off Valve Part TS-0204-1141 for High-Performance Supercharged Engines

The RacePort Series Blow Off Valve is famous for being an amazingly small and light BOV for supercharged competition-level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing 330 CFM - making it the highest flowing BOV of its type on the market.
The Highest-flowing BOV in the Turbosmart range has just been redesigned and now features our unique collar design.

• Milspec Hard Anodized Valve Guide and Stem


• Billet 6000 Series Aluminum Construction


• Female Flange System for Peer Fitment


• Options Valve Position Sensor Upgrade


• Quick Release Aluminum V-Band Collar


• Hi-Temp Silicon Nomex Diaphragm


• 2.0" Inlet flows over 330 CFM


• Twin 1/8"NPT Reference Ports


• Positive Sealing Valve Seat


• Boost Balance Technology

The Turbosmart RacePort Series Blow Off Valve (BOV) Part TS-0204-1141 is engineered for competition-level supercharged engines demanding minimal weight and maximum airflow. Featuring a compact and lightweight design, it is approximately 50% lighter and 25% smaller than traditional BOVs, making it ideal for high-performance applications where space and weight savings are critical. Its internal flow structures and innovative collar design allow it to flow over 330 cubic feet per minute (CFM), ensuring optimal venting of excess boost pressure during high-rpm operation. Constructed from billet 6000 series aluminum with milspec hard anodized valve guides and stems, this BOV offers durability and corrosion resistance under demanding conditions. The positive sealing valve seat and boost balance technology contribute to precise boost control and reliable performance. The quick-release aluminum V-band collar provides easy installation and removal, while the twin 1/8