General description Adjustable Coilovers Suspension kit designed specifically for Mazda MX-5 NA MK1 and NB models. This complete suspension kit includes 4 shock absorbers and 4 springs, providing an easy installation and improved ride quality across various road conditions. Technical specifications Adjustable height: Yes, lowering by 1/2 inch Damping levels: 24 levels adjustable Spring rate Front: 7 kg/mm (392 lbs/in) Spring rate Rear: 6 kg/mm (336 lbs/in) Quantity: 2 pieces front + 2 pieces rear Construction: Twin Tube Internal Warranty: 2 years 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) Compatible with Mazda Miata MX-5 NA (1.6L, 1.8L) 1989-1997 Compatible with Mazda Miata MX-5 NB (1.6L, 1.8L) 1998-2005 Includes height adjustment tools Installation Professional installation and alignment are suggested for optimal performance. Usage The adjustable coilovers allow for height adjustments without