The reuseable MOROSO blue ones are the BEST I've tried. They are so thick you might need longer bolts. I had to get longer bolts.

I've tried many of them on my roadster and they would always vibrate loose and leak a little. A little oil makes such a mess by the end of the season.

Not the MOROSO ones, they stay tight, stay put and stay dry.


33 Plymouth Roadster - 383 - 5.90 1/8th 9.58 1/4
68 Dart - 340
66 Belvedere - 400

Windy Hollow Garage - https://www.youtube.com/@windyhollowgarage