Part # EDL-3129 Curve Ignition Module Box for Ignition Systems EDL-IGNS and EDL-BOIGNS. If you would like to UPGRADE from the stock 3 curve module to this 9 curve module, select the product option at the time of purchasing the main system. The 3 curve module will then be removed and replaced with the 9 curve module so you will only receive one module and are charged accordingly when checking out. If you already have the 3 curve module, it cannot be taken in exchange for the 9 curve module because it is considered a sold item and used regardless if electricity has been applied to it.NOTE: This NOT a replacement for the stock airhead ignition module: IgnMod-R284
