Fitment:For Predator GX390 420cc For Mikuni Go Kart For vm24. Package Include:1*58mm Air filter. Please confirm the size before purchase to ensure that the product is consistent with the size you need. If you have any questions, please contact us and we will reply your information as soon as possible. If you haven't received our reply for a long time, please release the message again. This product uses high-quality materials, upgrades the product performance, and runs more smoothly.