Compare Superior RideEFFEX Coil Spring Booster - 18-1201 Part #: 18-1201 Line: SPR Superior RideEFFEX Coil Spring Booster 3.9(15) 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 3.5(10) 1 Year Limited Warranty Material: Aluminum Quantity: 4 Thickness (in): 1-1/2 Inch
Compare Representative Image Superior RideEFFEX Coil Spring Booster - 18-1901 Part #: 18-1901 Line: SPR Superior RideEFFEX Coil Spring Booster 4.3(9) 1 Year Limited Warranty Material: Rubber Quantity: 1 Thickness (in): 1-1/2 Inch
Compare Superior RideEFFEX Coil Spring Booster - 18-8001 Part #: 18-8001 Line: SPR Superior RideEFFEX Coil Spring Booster 3.6(5) 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 3.0(6) 1 Year Limited Warranty Material: Rubber Quantity: 4 Thickness (in): 1-1/2 Inch
Compare Representative Image Superior Coil Spring Booster - 18-1950 Part #: 18-1950 Line: SPR Superior Coil Spring Booster 2.5(2) 1 Year Limited Warranty Material: Rubber Quantity: 1 Thickness (in): 2 Inch Lift (in): 2 Inch Show More Show Less