ApplicationCompatible for Mazda Miata MX-5 NA (1.6L,1.8L) 1989-1997Compatible for Mazda Miata MX-5 NB (1.6L,1.8L) 1998- 2005Compatible for Mazda Miata Base Convertible 2D 1990-1997Compatible for Mazda Miata Base Convertible 2D 1999-2005Compatible for Mazda Miata SE Convertible 2D 2000-2003Compatible for Mazda Miata LE Convertible 2D 1993Compatible for Mazda Miata M Edition Convertible 2D 1994-1997Compatible for Mazda Miata STO Convertible 2D 1997Compatible for Mazda Miata 10th Anniversary Convertible 2D 1999Compatible for Mazda Miata LS Convertible 2D 2000-2005SpecificationQuantity: 2 piece front + 2 pieces rear as shownAdjustable damper: 24 ways adjustable damper forceAdjustable height: Yes, lowering 1-3\'\'Adjustable camber plate: NoSpring rate front: 7kg/mm (392lbs/in)Spring rate rear: 6kg/mm (336lbs/in)Shock type: Twin tube internal constructionColor: RedWarranty: one year warranty for any manufacturing defectFeature- Able to lower ride height by 1\'\'-3\'\'; allows user to have a more aggressive stance.- Coilovers are 24-way adjustable. Rebound and Dampening adjustment which allows the user the ability to dial in your coilovers to any driving needs. The user can enjoy a comfortable riding experience in all road conditions.- Pillow ball Upper Mounts for increased steering feedback.- Twin-Tube Shock design is used for low internal frictional resistance in order to increase efficiency and keep shock temps low.- Height adjustment does not sacrifice damper stroke length.- These coilovers are able to have their height adjusted without being taken out of the car.- Most components of the suspension parts are made from 6061-T6 aluminum to increase strength and rigidity.- High Tensile strength performance spring---Tested under a 600,000 time continuous compression test, the spring distortion was less than 0.04%. Plus, the special surface treatment improves the durability and performance.- Adjustment tools included in the kit.NoteNo instruction included; Professional installation alignment suggested.Please check our store for other auto parts you may be interested in.Please feel free to contact us for whatever we can help.