Here is a pack of good bxs iva off files. I have been running the 650 in our trucks for years.Works great with the twins. Works fine with a single turbo also. Pulls around 40 boost with 80/1.45 non gated stage 2 turbo. Can take off the iva housings from under the valve cover and plug off the oil supply.
Paste the link to google and it will auto download to your downloads. The item "Cat c15 BXS Iva Off" is in sale since Saturday, April 3, 2021.This item is in the category "eBay Motors\Parts & Accessories\Commercial Truck Parts\Engines & Components\Other Engines & Components". The seller is "colo1003" and is located in Arvada, Colorado. This item can be shipped worldwide.