Pros
- •Highly reliable, with many users experiencing lonasting performance.
- •Improves vehicle operation, running far smoother and more responsive.
- •Prapped for easier installation and even newbies can manage the replacement.
- •Top quality craftsmanship, typical of NGK products.
- •Users noted they no longer have issues with their vehicle misfiring.
Cons
- •Installation may be tricky for some, potentially requiring more time and effort than expected.
Bottom Line
The NGK Iridium IX Spark Plug LFR7AIX # 2309 PK4 is a great choice for car enthusiasts looking to enhance vehicle performance with a reliable and top-quality spark plug. It delivers smoother engine operation and improved responsiveness. However, be prepared for a potentially challenging installation, especially if you're not experienced in working with spark plugs.
Lowest at any Popular Retailer
$8.68 at AmazonWhere to Buy
Prices last updated: August 1st 2025 5:00 pm
Get ShopSavvy
ShopSavvy is totally free and works on all popular phones and browsers
Download ShopSavvy App
Compare prices for anything in real-time, set price alerts, watch for deals by keyword, and much more
Install ShopSavvy Browser Extension
Compare and track prices automatically while you shop online at thousands of websites.
💭 ShopSavvy TLDR Reviews
Expertly researched reviews about products you're interested in, condensed down to a score, pros/cons and a bottom line.
🔥 Trending Deals
Loading trending deals...
Footer 1
Subscribe for Updates
Get the latest news, and updates on ShopSavvy. You'll be glad you did!