KONI Heavy Track SPX rear shock absorber for the W460/W463 series G-Wagen.

This shock is adjustable and has an extended length of 585mm.

Made by KONI in The Netherlands.

Here are a few details about the Heavy Track SPX shocks from KONI:

Adjustable rebound settings for tuning to ride type.
Nitrogen-charged chambers for optimal response and ride comfort.
Special heat resistant viton seal with rugged dirt wiper.
Large piston for maximum dampening control.
Heavy duty attachments for off-road conditions.
Compress-to-adjust design allows adjustable dampening for on or off-road conditions.
Twin-tube design improves ride quality and durability.
Steel stone guard for maximum protection of piston rod and seal.
Damper characteristics specially tuned for off-road use.
Specially set bottom valve for 4x4 use.
Larger reservoir with more oil for improved heat transfer.