WOT Switches & Brackets 4500 style ford Other features include integrated nitrous

Other features include integrated nitrous bungs and perfect bolt-on fitment that allows the use of factory accessories without modification or clearance concerns

Use of this spacer is the only way to meet the requirement by IHRA and other sanctioning bodies for burst panel protection when using a direct port type nitrous system on a cast intake manifold

If you choose the annular option but you don't have the bungs already installed on your manifold

Mod of Vacuum and Evap System Is Required

WOT Switches & Brackets 4500 style ford Other features include integrated nitrousNitrous Pro Flow WOT (wide open throttle) Switches & Brackets 4500 STYLE (Early, HP, and Gen3)