Description PN: MSD-8231 GM 1.6-7.4L/98-454, 1996-1999 When it comes to late model performance parts, nothing improves performance like these new replacement MSD Blaster coils. They are designed with improved materials and windings to produce a stronger spark. This improved spark helps burn the fuel mixture more efficiently, resulting in a smooth idle and improved mid-range rpm power.Notes Replaces GM single connector coil only.
