Fits 1999-2006 GM Trucks 1/2 ton - 1 ton. This Delco style coil will add 10-15% more energy to the plugs for better ignition response.
The Pro-25 race wire features a Spiral Core, 25 ohms per foot and still suppress RFI noise.
More power For GM Vortec V6 & V8
10-15% More Energy, Hotter Spark= More Power