I've had them in my Valkyrie since 2005. I'm pretty sure their website has a cross reference for spark plugs. Sorry I don't have the URL address right now. As far as how they work, I can't really tell any difference. My bike still goes like a raped ape. I tried a back to back gas mileage check with the old brand and the E3s. I believe the E3s got better mileage by less than a mpg.
After collecting a lot of stuff it was time to install some;
1. Barnett Clutch Cable.
2. Fuse Box, to clean up the wiring.
3. Heat reflector Shield under tank.
4. WoLo Air-Horn DOUBLE RELAY for double WoLo horn
5. ORANGE & BLACK heat protection for electrical cables
And still more to come ...
I'm in San Diego visiting from the bay area and discovered my shift lever part number 5133530 is broken. I need help with getting the part or something similar so I can head home.
I'm at the Four Points Sheraton Sea World hotel
The bike is a 2009 Victory Vision with 80k on it. Only modification is reverse and a power line leading to a plug for a trickle charger or electric clothing.
Ran the bike for a couple of hours that day pulled up in the driveway shut it off and then it would not come back on. It flashed a...