A little more info.



Are adjustable, which means that you can influence the behavior of the car to meet your preferences (ride comfort, handling balance, etc.).
http://www.koni-na.com/sport.cfm
http://www.koni-na.com/cat_search_form.cfm
Why the industries first adjustable shock is still the best:

• Big handling improvements
• Reasonable ride quality
• External rebound adjustment on most cars
• Best KONI shock for all lowering springs
• Re-buildable and re-valveable for custom vehicle setups
• Yellow exterior finish
• Lifetime Warranty

And
Intrax Coil Springs :

Make Model Year Part Number Type Chassis Front Rear Lbs List Price Chrysler Crossfire V-6 04- 28.1.025 SLS
1.4" 1.6"
variesThese Springs Are Cold Wound To The Most Exacting Standards, Stress Relieved And Shot Peened To Remove Surface Imperfections Extending Service Life Up To 200% Or More, Springs Are Also Phosphate Coated For Corrosion Resistance And Powder Coated To Ensure A Lifetime Of Outstanding Looks, Includes Manufacturer's Limited Lifetime Warranty
http://www.intraxsuspension.com/prod_springs.html