Let's Go Karting! Speed Factory Indoor Karting has the Largest Track & Fastest Karts in Greenville SC. We offer two locations in the Upstate, Greenville & Spartanburg SC. Easy to find off Roper Mountain Road in Greenville, near many great restaurants & attractions. We are the go to place to race. We offer both Adult & Kids gas powered European race karts. Great Place For Team Building Events, Church Outings, Family Fun. We provide everything you need to race! Call us today for more information @ *NOT DISPLAYED* .