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 10.00". Marca : PROGRESSIVE SUSPENSIONReferencia del fabricante : 11-1110Coeficiente dureza de muelle : 0,54 kg/mm - 0,71 kg/mm (30,00 lb/in - 40,00 lb/in)Diámetro exterior : 27,00 mm (1,08")Longitud : 521,00 mm (20,50")Nombre de producto : MuelleTipo : HorquillaUnidades : Pareja