Fast Coil, Xr Series For 99-07 Gm 4.8/5.3/6.0 Light Duty Trucks With Round Delco Coils

XR Series ignition coil for '99-'07 GM 4.8, 5.3 and 6.0 trucks provides up to 15-20% more energy over stock ignition coils.Built from ultra-pure copper alloy windings, our coils have been tested to 8,000+ RPM and 1,500 HP.

The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects.

For more information visit: www.P65Warnings.ca.gov