A year of development has led to this;  A super strong Center Carrier for any IRS application.  Built from readily available off the shelf parts along with accurate laser cut parts so you can assemble yourself for a fraction of the cost.  Full assembly walkthrough on YouTube at https://youtu.be/4Vj5dRFSmCE  or    http://YouTube.com/@KJRaycing .  Plans include all parts needed with part numbers, .dxf files for upload to a laser cutting service,  measurements for all parts, every single nut and bolt needed for assembly, and plenty of pictures and walkthroughs.  Shown in the plans are the required parts to build an IRS setup for 420 chain small engine setups and 520/530 chain motorcycle/atv engine setups.  Completed IRS measures appx 56" hub face to hub face and has a proven 15" or more of travel!  Plans are in pdf format so you will need to download them to something that can handle pdf's (not a phone).  Now get out there and build your dream full suspension creation!