K series Honda engine swap into this Honda NSX using our new R35 coil kit! . The original K series coils put out about the same as a Toyota Yaris coil, which is under 1/2 the R35 coil, the k series and yaris are all naturally aspirated engines, and the coils are usually fine in that circumstance, but when you start chasing power, forced induction and or efficiency you might consider this plug and play option. . Note this is not a OEM rocker cover, the kit still fits but usually the coils sit ins

All you need to know about performance parts and tuning the Honda B18 engine

All you need to know about tuning the Honda B16 engine