Swift Springs Coilover Assist Springs - ID: 64mm (2.5") RX SEL (5K/A7)

SEL (5K/A7)

The KSport Kontrol Pro Coilover Kit for the 2010-2015 Mercedes-Benz E Class Coupe is built for drivers who want a lower

1987 BMW 6 Series 633 (E24)

2009 BMW 3 Series RWD

1999 Honda Civic Coupe Sedan

Swift Springs Coilover Assist Springs - ID: 64mm (2.5") RX SEL (5K/A7)Swift Springs Coilover Assist Springs in 64mm (2. 5") ID provide a dynamic step linear rate that fine tunes rebound travel and prevents inside wheel lift during hard cornering. Unlike helper springs that have minimal rate contribution, Swift assist springs use a heavier rate to actively manage suspension behavior during droop. Every Swift assist spring compresses to the same height regardless of rate, allowing drivers to swap between rates without