Bilstein ASM Series shock absorbers are designed to provide next level performance for the Resto-Mod and Pro-Touring market. With a variety of damper lengths to fit most popular applications, the shocks combine a great street-worthy ride quality with top level motorsports handling characteristics for a true total package. This modular aluminum design with a threaded shock body dissipates heat quickly. The hard-anodized coating reduces internal friction, and improves strength and durability. The ASM Series dampers are available in non, single and double adjustable configurations for premium tuning options to best fit your budget and driving demands.