1964 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Bob Wente at Eldora Speedway
1960 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Bob McLean at Canfield Fairgrounds
1970 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at Limaland Speedway
1970 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at Flamboro Speedway
1970 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at Joliet Memorial Speedway
1969 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at Moody-Clary Speedway
1969 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at Jackson Motor Speedway
1969 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at Tri-County Speedway
1969 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at K-K Sports Arena
1969 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at Elko Speedway
1969 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Dave Strickland at Lake Hill Speedway
1968 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Sam Sessions at Manzanita Park
1968 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Sam Sessions at Berlin Raceway
1966 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Tommy Copp at Bob-Jo Speedway
1966 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Bob Wente at Berlin Raceway
1965 United States Auto Club USAC Certificate of Performance Shannon Brothers Offy & Bob Wente at Kokomo Speedway
