Progress Tech 94-01 Acura Integra Type-R Coil-Over 3 System (FR 350lb/RR 450lb) Factory Top Hat Only 2015-lexus-is350-esi7103983 Utilizing a adjustable boost pressure

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Progress Tech 94-01 Acura Integra Type-R Coil-Over 3 System (FR 350lb/RR 450lb) Factory Top Hat Only 2015-lexus-is350-esi7103983 Utilizing a adjustable boost pressureProgress Tech CS3 systems include rebound adjustable damping. These new dampers widen the spring rate selections to include fourteen combinations. Now you can purchase a track day or drag race combination at an affordable price. Or enjoy the smooth ride of softer springs and dial in the rebound control to suit your driving style and road quality. Installation Instructions