Competition Suspension Inc. - CSI Shocks have won the last 3 USAC National Sprint Features. Bryan Clauson swept the weekend at Canyon raceway in Arizona his first two nights on CSI Shocks. Nic Faas backed that up with his third win in a row at Perris on the opening night of the Oval Nationals. CSI Shocks have won 11 out of the 28 USAC National Sprint Races this season, more than any other shock builder. Clauson, Faas, Stanbrough, Riggs, and Schurenberg have all found victory lane on CSI Shocks this season in USAC Competition. For the past two seasons our shocks have won the most non wing sprint races in the country. In 2012 we are bringing our finest shock to the market, the RS-12. Find out what everyone is talking about www.csishocks.com