Promoting H.O. slot car racing in Los Angeles California. ITG is excited to bring slot car racing back to the Los Angeles area in both H.O. and 1/32 scale. We have a brand new TOMY 4-lane H.O. scale track with a. Our attention to service and quality has made us a leader in the slot car world. the chicane, the banks and circles, learn these and you wiil be able to race just.