High pressure gas mono tube design with deflective disk damping to insure high performance ride control the 430 Series can also be mounted rod up or rod down, depending on your application. Threaded pre-load adjusters allow for tool-less adjustment, and effortless tuning of ride quality. First of their kind, machined aluminum spring perches and street rod styling of the new 430 Series are complimented by smooth lines and a polished chrome body. Available in chrome or contrast cut black anodized finish to match the look of your bike. Your model motorcycle is given together with the stock shocks length, feel free to take longer or shorter shocks from the same application group, but note that shorter than stock shocks will lower the rear of the motorcycle. Fender to tire clearance should be checked after installation. Shocks are sold in pairs.