This product contains Chromium known to the State Of California to cause cancer and/or birth defects or reproductive harm. www.p65warnings.ca.gov
This is the tensioner cover for the Vintage Air Front Runner pulley systems. Danchuk # 12542 is plain, not polished and will work on any 1955-1957 classic Chevy running a Front Runner pulley system. Photo is of Danchuk # 12543 which looks similar.
Danchuk has the largest selection of quality 55, 56, 57 parts for your classic Chevy project.