Jeep's SJ platform was part of the "FSJ" or full-size Jeep lineup. According to the International Full Size Jeep Association, an "FSJ" is any vehicle produced in North America, carrying the "Jeep" nameplate, with 2 or 4 doors, in rear- or four-wheel drive, whose wheelbase does not exceed 132 in (3,353 mm), nor is less than 109 in (2,769 mm), and whose tread width is no more than 67 in (1,702 mm) nor less than 57 in (1,448 mm).