Popular pick
4x NGK Ruthenium HX Spark Plugs - Performance Upgrade From Iridium - 12mm
About this item
Want to get the most out of your engine?
These NGK Ruthenium HX plugs are a serious upgrade from standard iridium or platinum plugs.
You get a set of 4, brand new, made in Japan.
They feature a double fine electrode design for better ignition and performance.
Thread diameter is 12mm, with a 14mm hex.
Gap is set at 1.1mm.
They're packed with multiple metals—copper, nickel, platinum, iridium, and ruthenium.
Insulator height is 51mm.
NGK quality with a 1-year warranty.
Give your engine a boost.USD$ 40.50 
Free 30-day returns
Price when purchased online
- Free shipping
- Free 30-day returns
How do you want your item?
You get 30 days free! Choose a plan at checkout.
Sold and shipped by 88doorsmanagement.com
Free 30-day returns
Customer ratings & reviews
4.7 out of 5 stars
How item rating is calculated