Doing a little cross referencing, the Grom engine is basically from a Wave 125 scooter (NF series)with a 4sp tranny. HONDA WAVE125. This company makes complete big bore top end kits. Looks like nice stuff. Can't find anything from Malosi. Here's another company to check out....Honda Wave 125 - Performance Parts, Accessories & Servicing Packages. I'm sure once the bike hits the US market the parts will start to flow. Just some food for thought.....will surely do some racing with mine.