SpoolinUp Speed Density Harness for Evo 8/9 DEI * With 6-Bolt 4G63

* With 6-Bolt 4G63

The center or shim layer of the gasket is comprised of an uncoated Stainless Steel Layer

Available in 91

• Fuel Pressure rises on a 1:1 ratio with boost

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SpoolinUp Speed Density Harness for Evo 8/9 DEI * With 6-Bolt 4G63An easy way to convert to Speed Density is here! The 3. 5 foot long harness is made with with a custom molded male MAF connector, high quality OEM connectors, teflon military grade wire and high temperature wire sheath. For a standard US market Evo, you just need the basic SD harness. Vehicle Fitment: 2003 2006 Mitsubishi Lancer Evolution VIII IX Installation: A few things will need to be done for the Basic SD Harness: 1. Installation of the GM IAT