Business Class including FL106 (Conventional):
FL50, FL60, FL70, FL80 and FL106 (1991-2006)
FS65 school bus chassis (1996-2008)
MB50, MB60, MB70 and MB80 (1991-2002)
Cargo; Cab Over Engine (COE)
FC70 and FC80 (1998-2007)
Models with 3" wide springs - 6,000 lb through 9,000 lb GAWR only