A spring compressor is among the most infamous tools available to home auto mechanics. Its job and operation are straightforward: It just squeezes a spring so that you can remove or install it from a ...

For mild street engines, stock valve springs are more than adequate. But if you've screwed in a big bumpstick for strip-banging or banzai runnin', then pay attention. Our plan was simple: Install a ...

When designing the suspension and ride characteristics of most factory cars engineers are primarily concerned that grandmothers won't spill their coffee or complain about poor ride quality. The result ...

Coilover shocks or coilovers are probably one of the hottest suspension components on the market today, but what is a coilover shock, how do they work, and what is the benefit to using them? To start, ...

Combines suppleness and support better than almost any air fork, but it’s heavy and has too few spring-rate options for fine-tuning I previously tested Marzocchi's air-sprung Z1 and while it performed ...