[header] How to buy sport shocks [title] Pick oil-based sport shocks for a cheap option. [step] Oil-based sport shocks are filled with hydraulic fluid that absorbs pressure placed on your vehicle. Oil-based shocks are more affordable and generally more durable. 
They are a good choice if you hope to have your vehicle for a long time. [substeps] Oil-based sport shocks do not provide as smooth a ride as gas-charged alternatives.