They just have a hotter spark and heat sinks to dissipate heat, they originally only came on flex fuel vehicles, most likely to burn the ethanol more efficiently. They are arguably the best coils you can get for an LSX. The bracket would have to be modified though to work with stock fuel rails on a car, not a huge deal, just takes some work with a grinder.
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-Nick
9/11/01 NEVER forget!
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