Team Associated 89196 RC8 Rear Spring Set Steel construction, silver, bronze and black in color Fine tune your model to different track conditions Color coded for easy identification Two 275lb Spring Rate Rear Shock Springs (black) Two 331lb Spring Rate Rear Shock Springs (silver) stock springs Two 393lb Spring Rate Re This product is manufactured in China Replacement 89196 Rc8 Rear Spring Set for select Associated vehicles Precision OEM parts for great performance See your vehicle's User Manual for exact parts listings