Compare Superior RideEFFEX Coil Spring Booster - 18-1201 Part #: 18-1201 Line: SPR Superior RideEFFEX Coil Spring Booster 1 Year Limited Warranty Material: Steel Quantity: 2 Thickness (in): 1 Inch
Compare Superior RideEFFEX Coil Spring Booster - 18-9001 Part #: 18-9001 Line: SPR Superior RideEFFEX Coil Spring Booster 1 Year Limited Warranty Material: Aluminum Quantity: 4 Thickness (in): 1-1/2 Inch
Compare Superior RideEFFEX Coil Spring Booster - 18-8001 Part #: 18-8001 Line: SPR Superior RideEFFEX Coil Spring Booster 1 Year Limited Warranty Material: Aluminum Quantity: 4 Thickness (in): 1 Inch
Compare Superior RideEFFEX Coil Spring Booster - 18-1601 Part #: 18-1601 Line: SPR Superior RideEFFEX Coil Spring Booster 1 Year Limited Warranty Material: Rubber Quantity: 4 Thickness (in): 1-1/2 Inch
Compare Superior RideEFFEX Coil Spring Booster - 18-1701 Part #: 18-1701 Line: SPR Superior RideEFFEX Coil Spring Booster 1 Year Limited Warranty Material: Rubber Quantity: 2