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Contact us as info@multisparkplug.com. Send us a picture, video or a short paragraph.

“I wanted to give you an update on your PowerSTAR plugs in my Harley 2008 Electra Glide Ultra Classic.  Since we installed them, I have been on four rides totaling nearly 600 miles.  When the plugs were first installed and the bike was started, I noticed a deeper throaty ideal, what I refer to as a “Harley” ideal.  What a Harley should sound like.  Riding the bike, I have noticed better throttle response; power climbing grades and smoother cruising down the freeway.”

“Thanks again for everything, Richard N.” - San Diego, CA 

“Just a note to let you know your spark plugs are truly amazing. I installed a pair in my 93 FatBoy as soon as I got home from the Ventura, CA Chopper Fest last week. The increased power was immediately noticeable, particularly on a grade near my home where I usually need to drop into 4th gear. Now I can make it easily in 5th gear. And I am getting better mileage too. I plan to put a set in my F-150 as soon as they become available.”

“ Thanks for a great product! (RIX FIXIT) RICK B. ” , Scottsdale/Fountain Hills, AZ






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