HKS Super Fire Racing Spark Plug #10 Heat Range GR86, BRZ, GT86, 2015+ WRX, GT-R,370Z Redline Made from hardened steel

Made from hardened steel

5L H4 - Gas 2009 Subaru Legacy GT Limited

FeaturesClass Leading Thermal Performance Class Leading CFD & Bench Validated Flow PerformanceClass Leading Fatigue ResistanceOptional Liquid Actuator CoolingOptional Position Sensor Available SeparatelyRotatable / Clock-able Actuator HousingNitronic 60 Valve Guide & High Temp 347 SS Body17-7 PH Stainless Steel SpringsStrap Type V-band clamps

6'' wide by 7

Link G4+ Xtreme (Note: Loom B/Pin Kit B will also be required)

HKS Super Fire Racing Spark Plug #10 Heat Range GR86, BRZ, GT86, 2015+ WRX, GT-R,370Z Redline Made from hardened steelHKS M50HL is the same as NGK 10. This Plug is for a high tuning vehicles. FEATURES M12 long reach HEX size 14 for 86, BRZ and GT R. R35 GT R stock's heat range is the same as NGK 8, NGK 9 to 86 BRZ Reinforced by making the outer electrode bigger (see the pictures below). Also could have a steady ignition and ignition speed at a high load and high RPM by putting the center electrode in the middle of the spark plug. Improved the anti taint property by