The Viking front coilover kit intended for UMI 3057 a‑arms pairs a 650 lb/in spring with Viking Crusader AT double‑adjustable shocks to offer a street‑friendly, tunable ride for 1978–1988 G‑Body and 1982–2003 S10/S15 applications. Adjustable rebound and compression allow quick changes between comfortable cruising and tight handling, and the kit includes springs, shocks and thrust bearings for height adjustment; minor trimming is required for spring perch fingers.
UMI Performance 78-88 GM G-Body 82-03 S10/S15 Front Kit Use w/ Coilover A-Arms