Experience peak engine performance with the Denso Iridium Racing Spark Plugs. Featuring ultra-fine 0.4mm iridium and platinum electrodes, these plugs deliver superior ignition reliability, faster throttle response, and enhanced longevity in demanding environments. Perfectly suited for high-performance engines, track setups, and spirited street driving.

Ultra-fine 0.4mm iridium tip
Pre-gapped to .026″
High heat resistance
For race & street applications
Part #: 267700-4461 / R50 / IKH01-27 #4

These are 2-step colder heat range spark plugs and are recommended for cars with larger turbos running higher boost levels. Replacement interval is 20,000-30,000 miles depending on usage. (Sold as a pack of four plugs)

Fitment:
VW Mk7/Mk7.5 GTI 20152016 2017 2018 2019 2020
VW Mk7/Mk7.5 Golf R 2015 2016 2017 2018 2019 2020
Audi A3/S3 2015 2016 2017 2018 2019