Quote:
Originally Posted by GM Powertrain
Curious about this as well. I recently picked up a pair of ported 077's for a song along with the roller rockers and stud girdles that were on them. Stamped with a company name and date also. Was planning on using them for my Nova.
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That is how these were when I bought them. They had Crane Gold roller rockers and stud girdles. The roller rockers are now on my 427 in my Beaumont.