Granatelli Coil-Near-Plug Connection Kit, Red (1997-2013 GM Truck 4.8L, 5.3L & 6.0L V8)

Direct OEM replacement, exceeds OEM specifications, OBD-II computer safe
Increase power to the spark plug up to 400% over stock
Customers have reported up to 15HP (normally aspirated) & 35HP (s/c, turbo, & nitrous). Average gains on an otherwise stock motor are 5hp N/A and 12 to 15 with factory forced induction
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
High temperature silicone boots, 8MM jacket with fiberglass-reinforced braid resists temperatures up to 500 degrees f (1200 degree f. boots optional).
Ideal for use with aftermarket headers and/or turbocharger systems
Includes all necessary hardware
Over 600 fitments!