Granatelli Motorsports High Performance Coil Packs 80K (Set of 8)

- Works with LS2, LS3, LS7, LS9, LSA, L92, L99, and L76's - Direct OEM replacement with a simple plug and play, won't void your factory warranty - Improves fuel economy, throttle response, and idle characteristics. - Increased engine efficiency with improved engine combustion - Gains of up to 12hp have been seen with these coils over stock.  Average gain with no other changes is 6 to 8hp on an otherwise stock vehicle.  Gains of up to 18hp have been experienced on heavily modified forced induction applications. - Rated at 80K Volts, Pro-Series Extreme coil packs offer nearly twice the voltage over the competition.