Most of the Stance+ lowering springs are wound progressively. You still retain a certain level of straight-line comfort but as you enter a corner and the stress and weight increases on the spring they get stiffer, this reduces body roll.
Stance+ Lowering Springs 35mm BMW 3 Series E46 323i 325i 330i Touring 2WD
Stance+ Lowering Springs 50mm VW Transporter T5 1.9 2.0 2.5 TDi TSi 2004-2015
Stance+ Lowering Springs 50mm VW Transporter T6 Van 2.0 TFSi 2.0TDi 2015-2020
Stance+ Lowering Springs 35mm Ford Fiesta Mk6 1.25 1.3 1.4 1.6 Hatchback 2WD
Amax Lowering Springs for VW Transporter T5 T6 2003 Onwards -40mm Coil Springs
A-Max 40mm Lowering Springs Vauxhall Corsa C 1.0 1.2 1.4 1.8 (2000-2006)