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 21st 2025 5:00 pm
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