QA1 GM SWAY BARS [Front | Hollow 3/16 wall, 1 3/8 diameter | Rear | Hollow 3/16 wall, 1 1/4 diameter] (1971-1976 GM B-Body) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS