Eibach Pro-System Suspension Kit with Sportline Springs for all 1979-2004 V8 Coupe & Hatchback Mustangs & all 1999-2004 Convertible V6 Mustangs.
Eibach Pro-System kits are designed by their team of suspension engineers and ride control experts to offer the best street performance without sacrificing ride quality. Designed and tuned to operate as an integrated system that improves turn-in response, increases cornering speed and reduces body roll.
The Pro-System is a precisely balanced combinationf: -Dampers -Sportline Springs -Bump-Stops (secondary springs)
Also available as a Pro-System Plus which adds Eibach's Anti-Roll kit.