Every modification in the custom car industry goes through a maturing process. Air springs are not immune to that same cycle of things. I'm not exactly sure how far air springs go back, but I know ...

This brand-new air spring won’t need much attention until it’s worked for many miles and its rubber bag ages through contact with the elements. Its operating range is 40 to 100 psi. Photo: ContiTech ...

At every level of racing shock tuning is becoming increasingly important. These days its the rare NASCAR Winston Cup team that doesnt have a man devoted solely to shock absorbers. Rusty Wallace once ...

The “shock” is a suspension component that controls the up-and-down motion of a vehicle’s wheels. Though the devices provide some shock absorption, the job of absorbing shocks is handled mostly by the ...

Every modification in the custom car industry goes through a maturing process. The technology is refined, heavily critiqued, and maybe if the modification is lucky, the public will approve and it gets ...