im trying to get a clutch replacement for my celli, stage 1 specifically. optionsauto.com offers two clutch products... ACT-SPSS and ACT SPMM. MM costing more and SS being cheaper. i tried googling the differences but have no luck finding info. knowing will help me decide whether or not i can save money or figuring out which product is the best and why. can anyone help? thanks
http://puu.sh/cKw7q/a276cb0085.png
http://puu.sh/cKw7q/a276cb0085.png