Valve Covers

[427TJ]

Thanks for the replies and the photos! Yep, mine look just like that.

[mrrec]

The triple plate process is: copper, nickel, chrome. Copper is used as a filler just as primer is under paint. The factory BB valve covers were flashed copper then chrome. The key is, the bare steel was not buffed before it was copper plated. It is very unlikely the copper was buffed before chroming. Remember, time is money.
The NCRS guys have hashed this over many times and have a pretty good handle on it. Go to NCRS.org and search their "technical discussion" for "flash chrome".

My chrome guy is doing a pair for me now and he understands not to buff the base steel. Once the steel is buffed, it is pretty difficult to go back to the original state.

Dave