Racing RALLY Asphalt suspension kits are built using steel mounts, elongated spring and stroke with matched dampening properties, and 44mm pistons to maintain performance and endurance during long-term use. These coilovers feature an inverted monotube strut design and 36-way damping adjustment designed to withstand the toughest rally conditions.D2 Rally Asphalt are adjustable -0.5″ to -3.0″ from factory ride height. Please specify Asphalt or Gravel with dealer when ordering.