does anyone know if GM or someone else is reporducing them. I have tried to get one fro GM with no luck. The part number dies off somewhere in the late 1980's. I think I need one that is specific to the 1970 455.
Not at all original, but is this the general idea of what you're looking for? http://store.summitracing.com/partdetail.asp?autofilter=1&part=HLY-45-267&N=700+115&autoview=sku
