Pic 1: SplitFire Super Direct Ignition System
Most Skyline owners upgrade the factory coilpacks to better aftermarket ones. Usually the brand of choice would either be Splitfire or Yellow Jackets. Both are equally good in terms of performance. Splitfire is from Japan where as Yellow Jackets are from Australia. The Australian product is slightly cheaper but offers the same performance.
My ER34 have been running the stock coilpacks for a long time with no issue whatsoever. I always have had a spare set of mint pre-owned Splitfire coilpacks lying around so finally I thought why not just install it already.
- Increases horsepower at the top end of the RPM band
- Ensures and maintains maximum energy supplied to the spark plugs
- Reduces incomplete combustion caused by misfire
- Eliminates RFI (radio frequency interference)
Fitment of the coilpacks are kind of troublesome as a lot of pipings need to be removed in order to access it. But aside from that, it's as easy as unplugging the stock ones and plugging in these Splitfire. Purely plug and play. This should give the ER34 better sparks. :)
Pic 2: Removing the stock coilpacks
Pic 3: SplitFire Super Direct Ignition System installed
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