Progressive Suspension 422 Series Heavy Duty Chrome Shocks For 89-99 Harley Davidson Softail Models rear lowering kit the heat-activated polar group molecules

the heat-activated polar group molecules create a film layer that is four times thicker and roughly 2

Zone’s heavy-duty coil springs and upgraded suspension components deliver superior strength and handling

The stock EPC functions to modulate line pressure

and mist conditions

Progressive Suspension 422 Series Heavy Duty Chrome Shocks For 89-99 Harley Davidson Softail Models rear lowering kit the heat-activated polar group moleculesOur suspension system for the venerable Softail style chassis is exclusively available as an adjustable ride height version. Progressive Suspension was the first to introduce aftermarket shocks for the most popular frame design ever produced and we continue to refine our work. Two inches of ride height adjustment as well as adjustable for spring preload to accommodate varying loads and rider weights, all wrapped in a chrome shroud and now available in