At Borowski Race Engines, we build a lot of boosted LS engines and these FAST™ XR-1A's are our go-to for big power. Like on this methanol-eating, twin-turbo build in the picture that's about to go out and wreak havoc on race tracks near you.
The FAST™ XR-1AHigh-Output Ignition Coil Set is designed specifically for high-compression naturally aspirated, boosted or nitrous-equipped applications making more than 1,000 horsepower. This horsepower range is far beyond the capabilities of OEM coils. The spark energy of the FAST™ coils is comparable to CDI (capacitive discharge ignition) systems without the need to convert. The Smart Coil design also requires no ignitor module. The FAST™ XR-1A High-Output Ignition Coil Set delivers up to 44,000 volts, 103mJ of energy, and supports a maximum of 19 amps of current and 17 volts. It is designed to work with all OEM equipment, as well as FAST™ products that support coil-near-plug applications such as the XIM™ and EZ-LS™ ignition controllers.
Designed For N/A, Boosted, or Nitrous Applications Making Upwards of 1000 HP
Coil Set Functions in Very High Horsepower Applications Beyond What OEM Coils Can Support
Ideal For High-Compression Naturally Aspirated, Boosted & Nitrous-Equipped Engines
Provides Spark Energy Comparable to CDI Systems w/out a CD Ignition
Smart Coil Design Requires No Ignitor Module.
Sold in sets of eight
Because we use a lot of these, they are normally in stock.
BUY YOUR PARTS FROM PEOPLE WHO USE THEM!