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 2.64". Marca : PROGRESSIVE SUSPENSIONReferencia del fabricante : 11-1553Coeficiente dureza de muelle : 0,54 kg/mm - 1,07 kg/mm (30,00 lb/in - 60,00 lb/in)Diámetro exterior : 41,00 mm (1,61")Longitud : 438,00 mm (17,25")Nombre de producto : MuelleTipo : HorquillaUnidades : Pareja