The Lippert Equa-Flex Cushioned Equalizer Kit # LC314336 for tandem 5.2K axles should be a drop-in replacement for the standard equalizers on your trailer which have about 16-inches between shackle bolt holes. But if find that you do need longer shackle straps you can order them separately as neither they nor shackle bolts are included with the Equa-Flex. Once you dismantle the suspension and take the tension off you may find you do not need them.
Shackle straps and related parts like... view full answer...