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The UMI Performance spring and shock kit for 1978–1988 GM G-Body models lowers the car 1 inch while improving handling and control. Springs use premium CrSi wire with 600 lb/in front and 130 lb/in linear rear rates for small-block applications; monotube shocks are nitrogen-charged with ramped rebound valving. Complete US-made kit; lightweight LS engines may require trimming and full-weight big blocks can increase front drop.
UMI Performance 78-88 GM G-Body Spring/Shock Kit 1in Lowering
