These Associated rear shock bodies measure 12x36 mm and are machined from aluminum with a blue anodized finish. Sold as a pair, they serve as a factory replacement for the rear suspension on compatible Associated short course and off-road platforms. The threaded lower end allows for ride height adjustment with a standard spring retainer collar. Features: 12x36 mm dimensions Blue anodized aluminum construction Threaded lower body for ride height adjustment Sold as a pair Rear application 7/7/26 cs