Ark performance brings ground-breaking quality. they have the finest quality spring kits that give defined comfort and balanced corner handling. this sophisticates our drivers without losing their performance results. the ark lowering spring offers a diverse series adaptable to specific driving conditions.ark gt-series lowering spring were designed by ark suspension engineers and performance racers from gt series, to deliver the best quality and balanced handling without ever neglecting driver’s safety or the ride quality. the use of our proprietary, progressive spring design, gt-f and gt-s provides the ultimate ground tech suspension balance, taking your passion for powerful choice for suspension lowering spring.