General description BFCO coil-overs are designed as entry-level suspension solutions for street use, providing a balance of performance and affordability. They feature a self-designed structure and a new manufacturing system, ensuring quality without breaking the bank. These coil-overs are height adjustable, allowing you to lower your vehicle between 25-75mm depending on the model, enhancing both aesthetics and performance. Technical specifications Height adjustable: Yes, lowering 25-75mm Spring rate Front: 7 kg/mm (392 lbs/in) Spring rate Rear: 6 kg/mm (336 lbs/in) Spring length Front: 200 mm Spring length Rear: 160 mm Spring Preload advised: 7-10 mm Compatibility and accessories Compatible with Mazda MX-5 I (NA) (09/1989-04/1998) Compatible with Mazda MX-5 II (NB) (01/1998-10/2005) Includes: 2x Front coil-overs, 2x Rear coil-overs, 2x C spanners Installation Simple installation process Easy to adjust for desired height Usage Designed for daily use vehicles Improves ride performance