Quote:

Try NGKs.I run a 12.5 440 on the street with them.This set has been in 3 years and no problems.I ran Autolites for years and tried Champions.NGKs run the best.Mancini has a chart to see which plug you need.No way let anyone sell you Bosch plugs.They are junk.Rocky



Yep the guys at White Auto recommend NGK.
I had them cross reference a Champion N66Y. Although they came back with two different NGK numbers when they cross referenced the Champion plug.

KD

1970 Cuda 4406