Select Your Ride

1
2
3

NGK SPARK PLUGS Iridium IX Spark Plug - CR9EIX 3521

Part Number: CR9EIX
NGK SPARK PLUGS
(No reviews yet) Write a Review
SKU:
CR9EIX
MPN:
3521
Availability:
Ships Same Business Day
Weight:
0.10 LBS
view larger
$14.95
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

NGK's Iridium IX spark plugs represent a proven leap forward in ignition reliability and efficiency. The ultra-fine iridium electrode demands significantly less voltage to fire, reducing strain on your ignition system while delivering consistent spark across your engine's RPM range. Whether you're building a high-strung race engine or maintaining a daily driver, these plugs extend service intervals and eliminate the guesswork of spark plug degradation.

  • Iridium electrode construction
  • 25% smaller than platinum
  • Lower voltage requirement
  • Extended ignition system life
  • Enhanced anti-corrosion plating
  • MPN: CR9EIX 3521
  • OEM-equivalent performance
  • Improved cold-start reliability
  • Reduced misfiring potential
  • Industry-leading durability
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for NGK SPARK PLUGS Iridium IX Spark Plug - CR9EIX 3521

View AllClose

FREE Shipping on orders of $99 or more!

Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.

Details

Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.

Details

You May Also Like

Related Products

Related Products

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER

Privacy Policy | Terms of Use | Site Accessibility