Lu, No Amens yet. Just because the dimensions look similar doesn't mean that they are interchangable. The tensile strength between each example you've used is different. They all may 'bolt-in', but handling and final ride height are going to be different with each choice. Best bet is to go to one of those 'spring' sites to find out weight specifications for each spring, then determine your finished weight on the front end of your Gremmie. 'The Mix'