NGK Iridium Spark Plug Box of 4 (IFR5E11) 1999-subaru-legacy-outback limited ) Multiple Times stiffer and

) Multiple Times stiffer and stronger than the stock case Precision machined for a superior surface finish Hard anodized to avoid marking or straining Additional Options: Bore & Hone: Bore & Hone to customer specification $300-$350 Fire-Lock machine the deck surface $200 Case Bolts: ARP Case Bolts Head Studs: IAG / ARP 14mm Head Studs

The larger air filter also captures and holds more dirt increasing its service life before a cleaning is required (up to 100

the quantity of SMD leds used on each bulb

Instead of having to purchase new stiffer mounts

Upper-Stem

NGK Iridium Spark Plug Box of 4 (IFR5E11) 1999-subaru-legacy-outback limited ) Multiple Times stiffer andNGK Iridium Spark Plug Box of 4 (IFR5E11) NGK Spark Plugs (U. S. A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every