Outer Limits 4x4 Board

hi all are there any springs from another make of 4x4 that will fit my 94leafer sport or an add a leaf from ? my springs feel soft even though i have procomp es 9000 shocks on the rear of my truck, any ideas would be grate full.......pete

You could use the Rodeo ute springs as these are for carrying more load and would bolt in. I think they maybe called Vauxhall Brava in your land...