https://www.msdignition.com/products/coils/late_model_coil_packs/chevrolet_gmc_cadillac/gm_gen_v_lt_coils/parts/82688
MSD 82688 MSD Ignition Coil - Blaster Series - Gen V GDI Engine - Red - 8-Pack - Round
2014 and up GM owners now have a more powerful ignition option for Gen V Direct Injected V8 power plants. MSD offers Blaster coils in both round and square...