I CURRENTLY HAVE A 1970 BUICK GS 350, MY GOOD BUD FOUND ME A STAGE 1 455, WILL MY HEADERS AND INTAKE
FROM MY 350 FIT ON THIS 455 THAT I HAVE NOT PURCHASED YET. ALSO ANY TIPS ON HOW TO TELL ITS A STAGE 1. THANKS TO ALL !!!

Sorry, but this is a no-go I'm afraid. The 350 and 455 are completely different engines.
Malc