ZEX Blackout Perimeter Plate Conversion Kit - Square Flange

Update your obsolete spray-bar type nitrous system with one of our Square Flange Perimeter Plate Conversion Kits. This cost effective and easy-to-install upgrade immediately delivers all the benefits of the ZEX™ Perimeter Plate Nitrous System without having to purchase an entirely new nitrous kit. Perimeter injection results in more even distribution of fuel and nitrous for maximum power and engine safety. The conversion kit includes the square flange perimeter plate, gaskets and jet conversion chart.

Fits square flange / 4150 intake bolt patterns

Includes plate, gaskets, fittings, & a nitrous / fuel jetting chart

Nitrous & fuel are injected via outlets placed at 12 points around intake plenum