{Speedway A-Body Domination: 1968-72 Two-Inch Rule|The Rule of the A-Bodies: Speedway's Golden Age|A-Body Supremacy: How Two Inches Redefined Speedway Racing| March 23, 2025, 8:44 pm / poppieneog405782.bloguetechno.com From 1970 to 1972, the NHRA dominated the world of drag racing with a simple regulation: the two-inch rule. This restriction on car width forced teams to build lighter, more agile A-Body machines, Blog Post navigation ← Home Report This Page