Tony, give Cole a call at 317-398-4163 or email him at info@wrphet.com  We use a couple of different lengths, and are different for the frt. and back. 

Thank you for your reply! I spoke to Cole yesterday. He doesn't carry them but suggested I search online.

Recommend front 3-point belts if you have a 4 dr. Or if not many ride in back seat, use in front of 2 dr. Especially if you have power disk brakes !!

Tony, I don't know why he told you that.  Go out and search for  "seatbelts unlimited" they have numerous styles and colors. We use the basic style, secures to the floor. They also recommend you to purchase the hardware. That consist of 2 very large, thick washers and a bolt and nut for each.  The lengths will be up to you, but we usually use the -I think 77" long for a step-down car.  I hope this helps.

Thanks Richard! It's pretty much stock including the brakes. also, it's a convertible. I just ordered 5  74 inch lap belts from Seatbelts Unlimited along with hardware kits. Hope it works. Happy motoring! T

I'm curious how you make out with these. I am going to try installing shoulder belts in the rear of my 48 super six brougham but trying to come up with a way of installing recoil lap belts for the front. Please keep us posted!

Mike, if your car has the interior in it, it is going to be very difficult. If it is painted, will also add problems.  If and when you add the shoulder/3 point system, you really need to make the modifications that will actually secure the top harness, so in the event of an accident, it actually will hope and not just there for looks.. This usually requires cut/fab and welding to be safe and secure. We are doing a 3 point harness in a truck right now, with bucket seats. I hope this helps.

Thanks Doug. Yes, I am planning to cut, modify and reinforce my package tray to accommodate this. Keeping things as discrete and original looking as possible. The belts on my wife's Mazda 6 look like they would work nicely - she might have to do without! Ha, ha! For myself, I would leave the car as-is but for the sake of the grandkids (up and coming Hudson fans) I need the belts to take them for drives. With a 2-door sedan, front seat I was thinking I could use the pillar for a shoulder harness but it's too far back to grab the buckle every time, so unless someone has an idea of how to do this, I will have to settle for lap belts in the front. I may be able to mount a retractor under the end of the seat. Still scratching my head over this one. Thanks again for your advice

Hi Mike, i will have to be satisfied with 5 lap belts that I ordered from Seatbelts Plus. Mine is a convertible so I can't imagine how 3-point belts would work. I want to keep the car as original as possible without fabrication. The belts will be attached to the floor with an installation kit that was also ordered. I will let you know how this works out. T

Here is what I used in the door posts between front and rear seats to anchor the shoulder belts{front seat}. Note that the plates I ordered several years ago seem to now be included in misc kits, i.e.: Jegs; I haven't found them again as a single or double item. Might could make your own. This item goes in the space in the post to prevent the anchor bolt, etc from pulling out on impact. The plate & bolt shown in this kit is the shoulder belt anchor. 

 Seat Belt Upper Anchor Plate: 3 in. L x 1 1/4 in. W x 1/8 in. thick with 7/16 in.-20 threaded center hole
 Seat Belt Upper Anchor bolt: 7/16 in.-20 x 1 1/8 in. L grade 5 with 1/4 in. shoulder for belt pivot

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Thanks Richard. I think you could probably get this stuff only in the kit. The plate would be no problem to make but I don't know where you would get a shoulder bolt like that. I think this setup would work fine in a 4-door but the pillar on the 2-door is quite a ways back to reach the belt. Some cars in the 70's (I think Chargers and Roadrunners maybe?) had some kind of a setup where the shoulder belt was stored on a hook in the headliner but I don't know how they worked. Other seats had a plastic loop the belt went through on the corner of the seat back. I'll figure something out....Thanks for your input!

Richard:
I bought those plates at Seatbelts Plus and they are robust.  I just can't figure a way to attach them to the "B" pillar of my '51 Hornet Club Coupe.
The structure just looks too thin.  It appears one would have to fabricate a whole new structure to insert within the "B" pillar to support that plate.
I'm outta Aces.
Dean Prodromos
Folsom CA