Al Unser Sr autographed 1994 Arizona Motor Sports, Sinden Racing Services Bell Vortex helmet. This is one of two helmets that was registered through USAC for Unser in what would be his last attempt to qualify for the Indianapolis 500 Mile Race. After struggling through a week of practice getting up to speed and waving off his first qualifying attempt Unser would retire from racing. To inquire about pricing on this great piece of Unser family memorabilia please contact john@500legends.com.
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