Progressive Suspension 430-4258B Black 13" High Performance High Style Rear Suspension Shock

This is street rod styled 430 series of shocks. Utilizing a 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 are complimented by smooth lines and a polished black anodized body.