NGK Iridium ZFR6FIX-11 Set of 4 Spark Plugs - MazdaSpeed Protege 2003-04
We suggest you change your iridium plugs every 15,000-18,000 miles to ensure a correct spark under high boost. Includes (4) plugs
Tech Tip: These plugs come pre-gapped from NGK.
Fits: MAZDA PROTEGE MAZDASPEED 2.0 L4 FI Turbo 2003-04