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02-07 WRX & STI NGK Iridium Spark Plugs

More Durability and a Higher Melting Point compared to Platinum, better center electrode anti-oxidation and anti-erosion, improved ignition, superior anti-fouling, lower required voltage, new metal shell plating process for better anti-corrosion. One Step Colder plugs are reccomended for cars with heavy modifications. These NGK plugs will get your Turbo Subaru running smoother and free up some power through increased efficiency and increased heat resistance. These are available in stock heat or one step colder for cars running approximately 100 horsepower more than stock. Please make sure you choose the correct vehicle below.


  • FITMENT:
  • Subaru STI 2004-2007
  • Subaru WRX 2002-2007
Description Part # MSRP Price Inventory  
02-05 WRX Stock Heat Iridium 6418 $43.52 $29.00 Usually ships in 2-3 weeks
02-05 WRX One Step Colder Iridium 2667 $45.80 $30.52 Usually ships in 2-3 weeks
02-05 WRX Two Steps Colder Iridium 2668 $45.80 $30.52 Usually ships in 2-3 weeks
04-07 STI/06-07 WRX One Step Colder Iridium 2309 $45.80 $30.52 Usually ships in 2-3 weeks
Mon-Fri 8am-6pm
© 2016 JSC Speed Inc.  All Rights Reserved.
1635 Bustleton Pike, Suite B, Feasterville, PA 19053
Tel: 215.489.2820
Hours:
Mon-Fri 8am-6pm

©2016 JSC Speed Inc.
All Rights Reserved.

1635 Bustleton Pike,
Suite B
Feasterville, PA
19053

Tel: 215.489.2820