Granatelli 99-04 2V 5.4L Coil-On-Plug Kit with Coil Packs

PRO SERIES – Our Pro Series 60,000 volt coils provide 40,000 more volts than factory coils and are intended for customers and racers alike running hi compressions engines and small nitrous kits. Due to their incredible output they are only sold in sets of 8 or 10 and you must run them in every cylinder. 0 ohm resistance, no RFI / EMI interference thanks to our patent protected isolator rings. - will not void factory warranty

Direct OEM replacement, exceeds OEM specifications, OBD-II computer safe

Increase power to the spark plug up to 400% over stock

Adds up to 15HP (normally aspirated) & 35HP (s/c, turbo, & nitrous)

0 Ohm resistance, no RFI / EMI interference thanks to patented protector ring

Patented design works with all fuel injection systems, street cars and race cars

Solid stainless connector cable with stainless snap lock spark plug connectors

Our 60,000 volt coils provide 40,000 more volts than factory coils, ideal for supercharged, turbo and nitrous applications where spark blowout from weak factory coils is common

Improves mileage and throttle response

Includes all necessary hardware

Installs in approximately 1-hour using basic hand tools