NR Racing specializes in GX Honda & Chinese OHV Series engines and parts for karting, 1/4 midget, mini bike, Mokai, winch boarding, tractor pulling, cycle kart, mud motor, and bar stool applications. We carry championship-winning motors for QMA, USAC, BSP, AKRA, WKA, & ASN. We are an online sales and mail order only company. Parts and engine pick-up are by appointment only. Please contact us for details. We are open Monday-Thursday. Weekend orders are not processed until Monday mornings. NOTE: PLEASE ORDER ONLINE. MOST ONLINE ORDERS SHIP WITHIN 24 HRS. Phone orders may take longer to process. Mailing Address: NR Racing 1960 W. West Maple Suite 200 Commerce Twp., MI 48390 Phone: 248-313-9949 Phone Hours: Monday-Thursday, 8am-4:30pm EST when available. If not available, please reach out by email. Contact us at any time: sales@nrracing.com Check us out on Facebook!