HKS M-Series Super Fire Racing Spark Plug Heat Range 9 - 1 Piece Performance Cooling Systems What if this doesn't fit

What if this doesn't fit or doesn't work

high-end appearance that complements any color

Do these need any prep or coating before I install them

Configuration: Straight tubing

HKS M-Series Super Fire Racing Spark Plug Heat Range 9 - 1 Piece Performance Cooling Systems What if this doesn't fitSpecifications 0. 6mm Iridium Alloy Center ElectrodeIridium Alloy Center Electrode reduces voltage requirement as well as improving ignition performance and durability. Outer Electrode with Platinum ChipThe Outer Electrode incorporates a square platinum chip which improves urability, and when combined with the iridium center electrode boosts ignition performance. The Outer Electrode features a shortened tip design and tapered shape while maintaining