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The Belltech Coil Spring Set for 1975–1991 GM C‑30 provides application‑specific lowering springs that aim to reduce ride height by about 1–3 inches while maintaining ride quality. Constructed from cold wound chromium alloy steel, shot peened and powder coated to Belltech specifications, these springs are designed to ensure proper ride height and improved handling characteristics for lowered heavy‑duty truck applications.
Belltech COIL SPRING SET 75-91 GM C-30
