| 1996-2004 GMC Sonoma Spark Plug Set - Autopart Premium GMC Sonoma Spark Plug Set. Brand: Autopart Premium. Fits Years: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 96, 97, 98, 99, 00, 01, 02, 03, 04. Spark Plug Set -- Pre-Set Gap: 0.060 inch; Center Electrode Tip Material: Iridium 6 Pcs Iridium &... more Find other Air Intakes... | | $36.95 FREE shipping go to store |