SNOW PLOW/CAMPER PACKAGE - 47Bcomputer selected springs for snowplow application and heavy service front springs (1 up upgrade above the spring computer selected as a consequence of options chosen, Not included if maximum springs have been computer selected as standard equipment), rear auxiliary springs and slide-in camper certification, Note 1: Salesperson's source book or Ford RV trailer towing guide should be consulted for specific trailer towing or camper limits and corresponding required equipment, axle ratios and model availability, Restrictions apply; see Supplemental Reference or Body Builders Layout Book for details, Expect firmer ride when vehicle is not equipped w/snowplow and/or camper, Note 2: May result in deterioration of ride quality when vehicle is not equipped w/snowplow and/or camper, Note 3: Dual battery (86M) recommended w/6.8L or 7.3L gasoline engines; see Body Builders Layout Book for details, Rear Stabilizer Bar