KYB Gas-a-Just Monotube Shock/Strut - Rear - GM/Ford/AMC RWD Engine Cradle The inertia weight has six

The inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application)

Vehicle Applications: FORD MUSTANG '2005> (FRONT)

1963-1974 Ford Galaxie 500

Fan size: 16"

and wide open throttle performance

KYB Gas-a-Just Monotube Shock/Strut - Rear - GM/Ford/AMC RWD Engine Cradle The inertia weight has sixThe KYB Gas a just monotube shock absorber has additional performance advantages over the traditional twin tube design: It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The Gas a just is available as an OE monotube replacement and as an OE twin tube performance upgrade. The KYB Gas a just has two separate working chambers: An air free hydraulic piston and valve area for responsiveness and