Requirements for Membership Only full body cars are eligible. The qualifying passes must be made with a turbo charged engine with Champion GN1 aluminum heads. Qualifying passes must be at a GSCA recognized event. Two official 1/4 mile runs at the same event. One pass must be at 8.999 or faster. The other pass if over 8.999 must be with in 1% of the 8.999 or faster time to qualify. If both times are 8.999 or faster, the 1% rule does not apply. The applicant must submit copies of the original time slips from the qualifying runs, along with the serial #s from the GN1 heads used. Champion Racing Heads will make the final determination of club membership after reviewing the applicants information.  Copyright © 2003 CHAMPION Racing Heads.