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FAST® XR Series Coils for GM LS engines offer 15 to 20 percent more spark energy than stock coils. They are constructed from premium, ultra-pure copper alloy windings, resulting in firing performance approaching 50,000 peak volts. Tested to 8,000+ RPM and almost 1,500 HP, the FAST® XR Series Ignition Coils have been proven to perform in some of the harshest street and race engine environments.
FAST® XR Series Coils for GM LS engines offer 15 to 20 percent more spark energy than stock coils. They are constructed from premium, ultra-pure copper alloy windings, resulting in firing performance approaching 50,000 peak volts. Tested to 8,000+ RPM and almost 1,500 HP, the FAST® XR Series Ignition Coils have been proven to perform in some of the harshest street and race engine environments.
Designed for all popular generations of GM LS engines, the FAST® XR Series Coils are ideal for any street or racing application where reliable, powerful ignition output is needed.