heres some fun
http://cgi.ebay.com/ebaymotors/DIESE...a4Q7c65Q3a12Q7
c39Q3a1Q7c240Q3a1318Q7c301Q3a0Q7c293Q3a1Q7c294Q3a2 00QQ_trksidZp3286Q
2ec0Q2em14QQhashZitem220357423234QQitemZ2203574232 34QQptZMotorsQ5fCarQ
5fTruckQ5fPartsQ5fAccessories

these guys claim their product save burning extra gasoline and extends the life of your spark plugs on a 3500 cummins
sorry i dont know how to put up the link

 

yea im running there spark plugs in my cummins and have there high power distributor and wintergreen scented blinker fluid. hahaha well try it dyno it and tell us how it works. all i can say is salesmen without them there would be no humor in buying things

 

oh and the link didnt work

 

seen this on ebay myself looks like a bunch of bull ****.