AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) - 2015+ BMW 3 Series 320d (F3X LCI 5 Bolt) strut-bars these 3" ID Swift springs

these 3" ID Swift springs are manufactured in Japan from proprietary H5S

2017 Subaru BRZ (ZC6)

1994 BMW 318is 3 Series (E36)

Optimize Rear Suspension Geometry on your 2011-2013 Infiniti G37 IPL (FM) with Whiteline Suspension Bushings

Part Number CNS220-AR Damping Adjustment 36-Way Height Adjustable Yes Spring Rate (Front) 9

AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) - 2015+ BMW 3 Series 320d (F3X LCI 5 Bolt) strut-bars these 3" ID Swift springsThe 5100 Series shock absorbers for the 2015+ BMW 3 Series 320d (F3X LCI 5 Bolt) utilize inverted upside down technology. The inverted design is race proven technology and produces an extremely strong damper, providing better suspension geometry under heavy lateral and braking loads as seen in a road and track environment. The 5100 Series shock absorbers give your car a better performance than the standard twin tube design. With the 5100 Series