Progressive Suspension

774069

440 Series Heavy-duty Inertia Shocks

Lowering Kits

Patented Inertia Sensitive dampening
2 independent rebound damping circuits, Soft (wheel) and Firm (chassis) circuits
Polished and anodized billet aluminum end covers
Easy adjustable spring pre-load, no tools required

Patented Inertia Sensitive dampening

2 independent rebound damping circuits, Soft (wheel) and Firm (chassis) circuits

Polished and anodized billet aluminum end covers

Easy adjustable spring pre-load, no tools required

Polyurethane bushings

Powder coat finish on the body

Limited lifetime manufacturer's warranty on shock and springs
This product can be used with

Harley-Davidson FXD

Harley-Davidson FXB

Harley-Davidson FXC

Harley-Davidson FXDL

Harley-Davidson FXDS-Conv.

Harley-Davidson FXDWG

Harley-Davidson FXDX

Harley-Davidson FXDT


Genuine Chrysler 52855492AC Brake and Accelerator Pedal
Arnott Air Suspension AS 2548 Shock AS-2548
Mix me 1436