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 10.75". Marca : PROGRESSIVE SUSPENSIONReferencia del fabricante : 11-1534Coeficiente dureza de muelle : 0,80 kg/mm - 1,16 kg/mm (45,00 lb/in - 65,00 lb/in)Diámetro exterior : 38,00 mm (1,48")Longitud : 375,00 mm (14,75")Nombre de producto : MuelleTipo : HorquillaUnidades : Pareja