Autolite Spark Plug- Harley Davidson Sportster / Softail / Roadglide / Dyna Models - Manufacturer Part #4164 – Lowbrow Customs
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      Why buy from Lowbrow?

      • Free Shipping On US Orders $99 & up*

      • Everything In Stock & Ships Fast!

      • Fitment Guaranteed

      • 90 Day Money Back Guarantee

      • No Restock Fees, Ever!

      • Free Expert Motorcycle Technical Support

      LOWBROW CUSTOMS USA MANUFACTURING SCHOLARSHIPS

      Here at Lowbrow Customs we believe strongly in supporting US manufacturing. We have created multiple annual scholarships, one with the Lincoln Electric Welding School and another with Tri-C (Cuyahoga Community College) for students in financial need who are pursuing workforce training. From TIG welding to machining, this is the backbone of manufacturing in the United States. Want to learn more?

      Want to learn more? Click here.

      Customer Reviews
      4.9 Based on 15 Reviews
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      Your input is very much appreciated. Share it with your friends so they can enjoy it too!

      Filter Reviews:
      • sales experience
      • plug option
      • Lowbrow VS Everyone
      • spark plugs
      • wallet
      • customer
      • quality
      • shipping
      EL
      09/13/2021
      Edwin L.
      United States United States
      I recommend this product
      Plugs on stash

      In stock for the next tune, just being prepared!!

      FP
      06/18/2021
      Francois P.
      United States United States
      I recommend this product
      Sales

      Excellent customer service prompt shipping great sales experience I'm a customer thank you

      OC
      06/02/2021
      Olivier C.
      Canada Canada
      I recommend this product
      Easy to install

      Really easy to install 2 plug option

      DK
      04/20/2021
      Dylan K.
      United States United States
      I recommend this product
      Good plugs

      A good quality spark plug. Will buy again.

      RM
      04/02/2021
      Robert M.
      United States United States
      I recommend this product
      Fired up

      Fits perfect and works as stated. Lowbrow VS Everyone

      Lowbrow Customs Spark Plug- Harley Davidson Sportster / Softail / Roadglide / Dyna Models - Manufacturer Part #4164 Review
      ML
      03/18/2021
      Matt L.
      United States United States
      I recommend this product
      Autolite Spark Plugs

      Needed some extras for the road. Shipping is always fast and customer service always great from you guys.

      RG
      03/17/2021
      Ryan G.
      United States United States
      I recommend this product

      For a stock motor, these work great. Cheap enough to replace every season is needed.

      SK
      11/12/2020
      Steven K.
      United States United States
      I recommend this product
      They work!

      Good spark plugs, easy on the wallet...

      CM
      09/18/2020
      Colt M.
      United States United States
      I recommend this product
      Works

      Seems to be hi quality and ez to install

      SH
      07/20/2018
      sam h.
      US
      Good

      Arrived quick and at a good $

      NF
      07/13/2018
      Nicholas F.
      US
      JD
      05/01/2018
      JACOB D.
      US
      Great plugs but they take an odd sized socket

      Like everything I get from Lowbrow these were exactly what I was needing to replace on my Sportster. Super fast shipping, the only complaint I had was they do not take a 5/8 plug socket. They take an 11/16 which of course I only had a short, instead of a deep well like you need... Not the end of the world, just didn't know it before hand so the job took longer than anticipated. Once installed the bike fired up beautifully!

      WB
      03/04/2018
      Will B.
      US
      Lowbrow parts

      Great stuff! Got the louvered air cleaner for my efi sporty and it’s great came with all nessicary hardware. Got the breather bolts too, super cool design. Also picked up new plugs and a plug wire kit for when I relocate my coil. All good stuff fast shipping.

      Lowbrow Customs Spark Plug- Harley Davidson Sportster / Softail / Roadglide / Dyna Models - Manufacturer Part #4164 Review
      G
      01/08/2018
      Guest
      US
      Spark plugs

      Great replacement for stock plugs and much cheaper than the stealership!

      M
      09/21/2017
      MattC
      CA
      Dealing with Lowbrow

      I order from you guys at least 2 or 3 times a year. I've always been satisfied by the quality of products, and y'all have always deliverd my stuff well packaged... I do however miss the sweet swag you used to throw in the box before mailing! Keep chopping boys....