New Student here. I recently got a 57 3100 big window and have the hood rockets. Are these common? Are they used or discarded? Personally I plan on using them with the style of truck I plan to build. I have tried to find them or just see them on others, but haven't. Any help on this on?

1957 Chevy 3100 Big Window
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I want to die just like my Grandfather did, peacefully in his sleep......not screaming, like the passengers in his car!!