SDI Dual Rate Shock Spring Kit RZR XP 1000 XP Turbo 4 Arctic Cat Wildcat suspension kit and tension-tested

and tension-tested

5" H x 13" W x 3

20% Elastic Stretch – Generates kinetic force to aid recovery

Non-returnable and not OEM pigment-matched

or air locker control

SDI Dual Rate Shock Spring Kit RZR XP 1000 XP Turbo 4 Arctic Cat Wildcat suspension kit and tension-testedSDI 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