which ujoint on a metric with 9 inch short narrow yoke?
for rhe shaft it would take inside locks . i have been told auto zone 1-5900 joint but have not looked at that one yet. Rick
3130 is for a metric driveshaft that must have the plastic melted out to install the joint. it is 3.25 by 3.625 and will have caps that are 1.0625 and gm side 1.1250