The GPM 6061-T6 Alloy Front/Rear Adjustable Progressive Spring Shocks are built for the ARRMA QUAKE GROM to improve suspension response. Each shock is filled with 500cSt silicone oil and protected by a sealed cover to help keep dirt and moisture out.
Progressive springs change stiffness through the travel, giving a gentler initial feel that stiffens under heavier load so the truck remains balanced over mixed surfaces.
Two spring options are supplied so you can alter stiffness and handling. The black progressive spring uses a 1.1mm wire diameter while the silver spring measures 1.2mm for increased stiffness.
ARA-2591
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