QA1 Trailing Arm Brace - Tubular - Adjustable - Black - GM A-Body / G-Body 1978-88 (Pair) BOPLS-S1 375 in Diameter Front

375 in Diameter Front

1967-1972 Buick Sportwagon

1986-1993 Chevrolet Astro

76mm Gasket BoreSince 1989

providing more than enough air to keep the driver cool and shield clear

QA1 Trailing Arm Brace - Tubular - Adjustable - Black - GM A-Body / G-Body 1978-88 (Pair) BOPLS-S1 375 in Diameter FrontQA1 Adjustable Rear Frame Supports are engineered to improve handling, traction and all around suspension performance by eliminating unwanted chassis flex and reinforcing the upper and lower trailing arm mounts. Made from 1'' diameter cold rolled steel tubing, they feature zinc plated adjustable threaded sleeves for adjusting the preload in the rear trailing arm mount after installation. Designed to clear stock and aftermarket mufflers and includes