XJ coil measures: 17" tall, 5" dia. and uses 0.475" dia. wire
TJ coil measures: 18.5" tall, 5.25" dia. and uses 0.575" dia. wire
95 Aerostar coil measures:13.625" tall, 6.5" dia. and uses 0.600" dia. wire
2dr Kick rear measures: 12.5" tall, 4.25" dia. and uses 0.460" dia. wire
2dr Kick front measures: 10.875" tall, 4.375" dia. and uses 0.600" dia. wire
i got me a set of used xj springs off ebay for like $25 and it gave me another inch or so over the calmini springs, and the xj's can take a heavier load, for when ya load up for moab.