MaXpeedingrods Coilover Lowering Kit For For HONDA PRELUDE BB1 BB2 1992 Honda Prelude Lowering Springs DRIVEIT Honda Prelude Lowering Springs COILOVER SUSPENSION KIT For Honda Prelude BB1 BB9 1992 2001 Spring. Intelligent Design Progress Technology's engineering staff has over forty years of combined experience in the design and tuning of performance suspension systems, including CART Indy Cars, IMSA, SCCA, and SCORE competitors. Progress Technology's engineering staff are enthusiasts, and know how to build and tune performance automobiles. The Progress Technology Sport Spring designs are a product of their engineering and manufacturing expertise. Real Quality Manufactured from certified high tensile SAE spring materials, utilizing sound design and manufacturing principles, and individually tested toour stringent tolerances. The PROGRESS Lifetime Warranty assures enthusiasts of our exceptional quality products. Modern Manufacturing Cold wound using computer numeric control (CNC) automated equipment. Stress relieved, pre set, and shot peened for maximum precision and durability inspected to our exacting specifications. Lowers 2" Front & Rear