Flatout Suspension GR40 Coilovers - 2015-2018 Ford Focus RS Subaru-STI-2006 Their linear rate springs are

Their linear rate springs are made in the USA and have a lifetime warranty against deformation

Equal length design

Zinc installation hardware included

and the Super Shifter will reduce the vertical movement down to 0

Flatout Suspension GR40 Coilovers - 2015-2018 Ford Focus RS Subaru-STI-2006 Their linear rate springs areFlat Out Suspension GR40 Coilovers 2015 2018 Ford Focus RS Features: 02 adjustable ride height for precise setup and ground clearance Inverted front shocks for improved strength and reduced chassis flex External reservoir rear shocks for enhanced cooling and fade resistance Proprietary rally valving with bypass pistons for performance across conditions Soft rate LPS 2. 5 ID linear springs for comfort and control OEM style top mounts for quiet