− Decrease quantity for Suspension Lowering Kit, StreetGrip Lowering Kit, Use with StreetGrip Coil and Mono Leaf Springs for an Additional 1.00 in. Drop, Chevy, Pontiac, Kit Quantity + Increase quantity for Suspension Lowering Kit, StreetGrip Lowering Kit, Use with StreetGrip Coil and Mono Leaf Springs for an Additional 1.00 in. Drop, Chevy, Pontiac, Kit Add to cart