The Dana 44 Stud works with Stock Chevy and Ford Dana 44 Flat Top Knuckles using a 1" thick spacer (part number R1968 ). All Passenger side flat top knuckles will need to be machined flat then drilled and tapped to work.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.