For 1989-2005 Mazda Miata MX5 Coilover Shock Absorbers Struts 4PCS

For 1989-2005 Mazda Miata MX5 Coilover Shock Absorbers Struts 4PCS Specifications: Shock Type: Twin tube Spring Preload: 7-10 mm Adjustable Height: Yes, lowering 2" to 4" Surface Materials: Aluminum, Steel Spring Rate Front: 7kg/mm(392lbs/in) Spring Rate Rear:6 kg/mm (336 lbs/in) Spring length Front: 460mm Spring length Rear: 379mm Coilover overall length Front: 460mm-557mm Coilover overall length Rear: 379mm-457mm Features: 1. Twin-tube structure allows sufficient stroke within the shock absorber. 2. High-tensile performance spring—Sterss tested over 600,000 times, with spring distortion less than 0.04% . Plus, the special surface treatment improves durability and performance. 3. Height Adjustment tools included. 4. Rubber top mounts help to deliver a smooth and forgiving ride for city use at any speed and rubber joints assist in absorbing hard impacts. 5. Most pieces in our coilover systems, including mounts, collars, and spring perches, are designed from 6061-T6 Billet Aluminum, resulting in lightweight, durable, and rust-resistant components. 6. Separate height adjustment does not affect damper stroke. 7. Full rebuildable. 8. Lowered height adjustment from 2" - 4" which allows a lower center of gravity and also adds a more aggressive stance