THIS SATURDAY!!! Come on out to Irwindale Dragstrip for a fun night of Drag Racing!!! In addition to Open Test N Tune, all Competitors will have the opportunity to participate in Heads Up Index Races. The categories available for entry will be 7.5, 7.0, 6.5, 6.0, 5.5, and 5.0. Irwindale Dragstrip is also proud to welcome the SoCal .5 Pro Lite Series for their Irwindale Debut!