They are my brother's who plans to use them on a K engine oneday, but untill then i get to test them if i want them.
Yeah its 1300cc engine. If its overkill, as i have no idea how they work can you explain it to me so i can understand why it is overkill. If thats the case, are they still useable on a stock 4k do you think, really want just an extra 20-30 hp and ill be happy, more then happy with my ke70.
There not being used so if they are overkill it doesnt matter, as long as the engine doesnt get damaged, or damaged to badly that it wont last another 7 months