LP-15 Load Leveler Helper Spring LP-15 Load Leveler Helper Spring; 1500 lbs. Capacity; Rear Half Only Due To Clearance; Installation hardware is included. FORD MERCURY EXPLORER EXPLORER SPORT TRAC MOUNTAINEER BASE EDDIE BAUER EXPEDITION LIMITED POSTAL SPORT XL XL FLEET XLS XLT 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 4L (245) 4L Flex (245) 5L (302) FLEX GAS Hellwig Hellwig LP-15 Load Leveler Helper Spring - 820 820 Leaf Spring Helper