SDI Dual Rate Shock Spring Kit RZR XP 1000 XP Turbo 4 Arctic Cat Wildcat suspension kit 5mm thick rotomolded plastic construction

5mm thick rotomolded plastic construction

This is the heim joint choice for racers and full-send drivers who refuse to compromise

This Polaris RZR Pro R spring kit is for 2-seat Sport and Premium riders who want an Eibach Stage 2 upgrade while keeping Walker Evans OE shocks

or air locker control

5" H x 13" W x 3

SDI Dual Rate Shock Spring Kit RZR XP 1000 XP Turbo 4 Arctic Cat Wildcat suspension kit 5mm thick rotomolded plastic constructionSDI Dual Rate Shock Spring Kit for Polaris RZR XP 1000 & XP Turbo 4 Product Description The SDI dual rate shock spring kit for Polaris RZR XP 1000 and XP Turbo 4 is engineered to dramatically improve suspension performance and ride quality. Designed specifically for Walker Evans equipped vehicles, this spring upgrade converts your factory suspension to a true dual rate spring setup. Through extensive testing and tuning, SDI developed a spring