Reviewed By Tery P (Tacoma, WA) Reviewed for a 2003 Chevy Express —9/27/2016 10:41 PM
To be truthfully I can't tell the different from the dense and the oem.
Reviewed By Gary B (Cheshire, MA) Reviewed for a 1996 Ford F-350 —5/28/2016 4:44 PM
I have a 96 f 350 with a 460 engine. It has exhaust issues where the heads meet the exhaust headers. The regular wires and even the high temperature wires would burn through the spark plug wires and then it would misfire. The new ceramic wires solved that problem and the truck runs like new again.