I have PRP 5.3×2 harnesses. They are 5 point harnesses. The shoulder belts are 2" wide with sewn in pads that are 3" wide. The lap belts are 3" wide and the sub belts are 2" wide. I very seldom use the sub belt and will occasionally ride the access trails with just the lap belts on. We always ride with belts and always wear shoulders when riding anything other than access roads. Most of the time when the shoulders go on, they stay on. The wife and I really like them and can spend all day in them with no complaints. The 3" pads in the shoulders aren't too wide that they rub your neck and have plenty of padding to stay comfortable. Having the ability to only use the laps makes them nice when you don't feel the shoulders are needed. The laps being 3" wide keep you very planted in the seat without putting too much pressure over a small area of your hips. She is a strong D cup and used to complain about the previous belts we had but never complains about the PRP's. She says they fit just right.
I have PRP 5.3×2 harnesses. They are 5 point harnesses. The shoulder belts are 2" wide with sewn in pads that are 3" wide. The lap belts are 3" wide and the sub belts are 2" wide. I very seldom use the sub belt and will occasionally ride the access trails with just the lap belts on. We always ride with belts and always wear shoulders when riding anything other than access roads. Most of the time when the shoulders go on, they stay on. The wife and I really like them and can spend all day in them with no complaints. The 3" pads in the shoulders aren't too wide that they rub your neck and have plenty of padding to stay comfortable. Having the ability to only use the laps makes them nice when you don't feel the shoulders are needed. The laps being 3" wide keep you very planted in the seat without putting too much pressure over a small area of your hips. She is a strong D cup and used to complain about the previous belts we had but never complains about the PRP's. She says they fit just right.
I disagree. With our lap belts on and pulled down tight, we have zero issue with the laps riding up due to the shoulders pulling them up. We have been in a rollover and didn't have any issues with the belts coming loose or riding up. We were actually very comfortable once the truck stopped rolling and we were suspended upside down. Most if not all 4 point belts such as the OP has don't even offer sub belts. Those belts can't even have the shoulders removed from the lap belts. I am not saying the subs are useless but in most of my low speed situations they shouldn't be needed. Should we wear them to keep us from sliding out of the bottom of the belts incase of a long continuous end over end, probably.
I don't have them in a TJ but.. I imagine a couple of longer bolts and spacers to use in place of the front 2 seat mount bolts. Then a section of tubing welded to the spacers. Then wrap the sub belt around the tube.
