Free Shipping with $50 Purchase + Free Returns – Learn More

Screamin' Eagle 10mm Phat Spark Plug Wires

Part Number 31958-04B


Finish / Color: Black



Fat 10mm plug wires add dimension and style to your ride. Screamin' Eagle® boot design and suppression core wires ensure solid connection and maximum voltage transfer between coil and plugs.

  • Black 10mm wire
  • Screamin' Eagle® graphic printed along wire

Bike not listed?
Select your year and model to see all the parts that fit your bike.

  • Model
  • Warranty

    1 year limited warranty – Go to for full details
  • Sold in Unit

  • In The Box

    2 spark plug cables
10mm Phat Spark Plug Wires is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Power Up! These plug wires guarantee that every amp of current your coil produces will get to the plugs. After install, my 2005 Sportster 1200C fired up quicker and with a more resounding and smooth idle on the choke. Then warmup seemed quicker with more of each fuel charge being efficiently burned. I can just imagine these wires on an injected bike, nice!
Date published: 2017-04-21
  • y_2018, m_2, d_26, h_20
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.7
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_1
  • loc_en_US, sid_PA-18-3195804A, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_harleydavidson

Mounting posts for 10 mm spark plug wires

I bought these spark plugs wires at my Harley Davidson dealer when I purchased a new set of spark plugs. I was excited to put them on my bike, but noticed they would not fit in the stock plastic clips (that are located on the choke bracket). I ended up not putting them on because the bike would look awful with just the wires sticking out and two empty holes in the bracket. I think the spark plug wire kit should come with the new clips to mount in the bracket. Anyways, does HD have new 10 mm clips for this bracket that I can purchase?
Asked by: jeff748
Hello Jeff748, We do not offer a separate 10mm clip for a 2006 XL883L for these spark plug wires. Thank you for your submission.
Answered by: JD34
Date published: 2015-01-12
  • y_2018, m_2, d_26, h_20CST
  • bvseo_bulk, prod_bvqa, vn_bulk_2.0.7
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_1
  • loc_en_US, sid_PA-18-3195804A, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_harleydavidson

Recently Viewed

    Please Hold Your Iron Horses

    You've been sitting idle, so we've ended your session to protect your personal details.

    Continue as guest Sign in
    Online Exclusives

    You’ve been sitting idle, so your session will expire in

    Would you like to remain signed in and continue shopping?

    Yes, keep me signed in No, sign me out

    Prices listed are generally the Manufacturer's Suggested Retail Price (MSRP), excluding taxes and shipping. Prices at local dealerships may vary. All online orders will be fulfilled and shipped by
    Harley-Davidson Motor Company as the agent for the Selling Dealer.