Just finished putting an L83 and 6l80 in my '63 Catalina. 6 months of steady work to get the thing in right. Pulled all the front end sheet metal off so nothing was in the way for the install. Put all the front end sheet metal back on and when I went to screw the headlight bezels on I found that the plastic buttons were breaking up. Not surprising considering their age. I found clips and fasteners on line and it appears that they have everything imaginable in that line. Called them up because a lot of their stuff does not contain dimensions with the picture. Whoever answered the phone stated that he needed a factory part number, he couldn't give me sizing information. Soooo can anyone give me a source of supply or a factory part number.

Just so I am clear, you're talking about the plastic nuts that the screws used to adjust the headlight buckets or the ones used to hold the actual trim bezels themselves?

Thinkin he means the square push in plugs the screws go into. Some are round.

The ones that hold the trim bezels. They snap into a 5/16 X 3/8 rectangular hole.

11 hours ago, Old guy44 said:

The ones that hold the trim bezels. They snap into a 5/16 X 3/8 rectangular hole.

Knew whatcha meant, but don't have a part # for ya. 

Okay - OPGI has three different types available for the '62 Grand Prix. I suspect one of them is what you are looking for.

#14 Push In Nut Kit - $8.99

Push In Nut 1/4" x 20 - $5.99

PUSH IN NUTS SIZE #8&10,SET-12 - $8.99

Interesting, OPG was my first call and they said that they had nothing for the '63 Catalina. The #14 and 1/4 20 sound like license plate. The #8/10 might work if it will snap into a 5/16 hole, the screws on my bezels are #6 but I can use bigger ones. I will need to call them and see what the dimensions are on those nuts.

Thanks.

Happy to help. Let us know if you are successful with this or not.

Edited November 23, 20196 yr by Frosty