Join Date: Apr 2002
Location: Houston (Clearlake), TX
I've got Clewett's too. I returned the first set (bought over a year ago) because the spark plug end pulled off several wires when I removed them. Richard sent new ones a couple months ago and they seem to fit great. How old are yours?
2014 Cayman S
2011 Cayenne Turbo
1979 930 (475 rwhp at 0.95 bar)