Fitment: (2016-2020) Can-Am Defender HD8 Reg/MAX, (2016-2019) Defender HD10 Reg/MAX, (2017) Defender Cab, (2018) Defender X mr/Cab/Lone Star Reg/MAX (Requires front spacer 133, (2020+) Defender HD10/PRO Reg/MAX (Requires front spacer 270), (2020+) Defender 6x6 (Requires front spacer 270). The S3 Power Sports Can-Am Defender HD Springs are engineered with performance and functionality in mind. These Heavy Duty springs are designed to increase your load capacity and decrease suspension "sag" you get with factory springs. You will also improve vehicle stability with the increased spring rate and, in many cases, increase ground clearance. If you like to work hard or play hard, our Can-Am Defender HD Springs are a necessity.