that's irresponsible. the sleeves are probably placed on top of where the manufacturer sticker would be. if you post a pic of the car we might be able to guess it depending on the drop: eibach, rsr, swift, etc
that's a spring
read this
https://www.ecstuning.com/b-tein-parts/spring-silencers-pair/spr02-g1497~ten/?gad_source=1&gclid=EAIaIQobChMIzvXbm7KIhAMVYLZaBR3QawlOEAQYASABEgJ9cvD_BwE
happy to be doing these again. hottest day of the week, i'm sunburnt.
also.. i never shared on here that one of my rear tires was vandalized. so on brand new rears, maybe 25% life fronts? on the most OCD satisfying alignment though. good day!