Champion Iridium- Boxed – RS14WMPB4
Champion Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.
- Heat-Active alloy allows electrodes to reach optimal temperature quickly
- Maintains stable operating temperature under all engine loads
- V-trimmed ground electrode promotes sharper spark focus
- Fine-wire center electrode and V-trimmed for greater ignitability
- Iridium center electrode delivers maximum life
- Champion Iridium – Maximum Performance. Premium Spark Plug
Champion Iridium 9405 Spark Plug (Carton of 4)
Application Summary: Buick Lt. Trk.: 5.3L V8 (07-04); Buick Pass. Car: 3.9L V6 (11-09), 5.3L V8 (09-08); Buick Van: 3.9L V6 (07-06); Cadillac Lt. Trk.: 5.3L V8 (05-02), 6.0L V8 (13-02), 6.2L V8 (14-07); Cadillac Pass. Car: 5.7L V8 (05-04), 6.0L V8 (07-06); Chevrolet Lt. Trk.:





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