Progressive Suspension 430 Series Shock for 1991 - UP Dyna Models - 12 Inch Black - Heavy Duty
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.
Get the best in class dampening performance with this high-pressure gas mono tube shock
Gas and oil separated with a divider piston
Fade-free in any type of conditions
Features disk valves for quick and consistent damping
Threaded preload adjuster allows for fine tuning with a simple twist of the cap
Can be mounted with the preload adjuster at the top or bottom
Includes a durable "Nitro-Steel" piston shaft
Sold in pairs
Made in the U.S.A.
Heavy Duty shock should be used when the motorcycle is at the manufacturers load rated capacity for more than 50% of the time
Progressive Suspension part number 430-4044B