Separate names with a comma.
NICE Camaro .
Not sure about a 305 being original as I believe they were produced `76 - `92 .
" originally a 305/350 car "
They are held on with 2 rivets .
They are held on with 2 small rivets .
I do know that replacement parts ARE available .
What will checking the BORE going to tell you ?
GRAB IT .
Or let ME buy it . LOL
Those pin to pin dimensions are different by 1/8 inch .