{Speedway A-Body Domination: 1968-72 Two-Inch Rule|The Reign of the A-Bodies: Speedway's Golden Age|A-Body Supremacy: How Two Inches Changed Speedway Racing|
From 1968 to 1970, the NHRA modified the world 1976 speedway world final 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, resulting in a golden age of pure speed and innovation. These muscle cars were tuned to perfection, roaring down the quarter mil