HKS M40HL Super Fire Racing Spark Plug YMM_2024_Impreza Aesthetics: Eliminates unsightly factory gaps

Aesthetics: Eliminates unsightly factory gaps for a clean

helping to reduce lap times and improve handling

This cover is ideal for Subaru enthusiasts who have upgraded to aftermarket front mount or top mount intercoolers that do not use the OEM plastic engine cover

helping reduce operating temperatures during spirited driving or track sessions

HKS M40HL Super Fire Racing Spark Plug YMM_2024_Impreza Aesthetics: Eliminates unsightly factory gapsHere, you are looking at the HKS M50HL Super Fire Racing Spark Plug for the 2015 2021 WRX. Features: 0. 6mm Iridium Alloy Center Electrode Iridium alloy center electrode reduces voltage requirement and improves ignition performance and durability. Outer Electrode with Platinum Chip The outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance. The outer