Progressive springs offer a soft initial spring rate for a plush ride Progressively wound design provides increased resistance to bottoming as spring compresses Improve handling while retaining OEM geometry Made in the U.S.A Incluido espaciador de 1.40". Marca : PROGRESSIVE SUSPENSIONReferencia del fabricante : 11-1576Coeficiente dureza de muelle : 1,02 kg/mm - 1,39 kg/mm (57,00 lb/in - 78,00 lb/in)Diámetro exterior : 32,00 mm (1,26")Longitud : 400,00 mm (15,75")Nombre de producto : MuelleTipo : HorquillaUnidades : Pareja