The QA1 Level 3 Big Wheel Suspension Kit for 1977–1990 GM B‑Body is a full bolt‑in system with shocks at all four corners, adjustable coil‑overs, trailing arms, and tubular control arms to correct geometry for large wheels. It accommodates big wheel packages while offering on‑car shock tuning, adjustable ride height, and included hardware for straightforward installation in classic B‑Body cars.
QA1 77-90 GM B-Body Level 3 Big Wheel Kit