79-91 Rx7 NGK Iridium IX 9 Heat Range Spark Plugs (BR9EIX)

Set of four BR9EIX Iridium Spark Plugs

Typically for non-turbo, street ported, high performance rotary engines used primarily for city/street driving or non-turbo, non-ported high performance rotary engines used primarily for highway driving, and non-ported stock turbo cars.

You will need to use our Atkins Designed Thin Wall Spark Plug Socket to install/remove these plugs.