NGK Ruthenium HX Spark Plug Box of 4 (LFR6AHX-S) 2011-subaru-forester-x IAG Stage 4 Ported Heads

IAG Stage 4 Ported Heads with +1mm GSC Valves & Cams: IAG's Stage 4 Cylinder Head Package utilizes a CNC porting program for the S20 heads that was developed over the past 5 years and tested on the most successful high-horsepower Subarus

Exhaust Valve Diameter: 32

KYB Shocks & Struts Strut-Plus Rear 05-09 Subaru Outback

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NGK Ruthenium HX Spark Plug Box of 4 (LFR6AHX-S) 2011-subaru-forester-x IAG Stage 4 Ported HeadsNGK Ruthenium HX Spark Plug Box of 4 (LFR6AHX S) 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