The GPM 6061-T6 Alloy Front/Rear Adjustable Progressive Spring Shocks upgrade the ARRMA QUAKE GROM suspension with a tougher 6061-T6 construction. Units are supplied with 500cSt silicone oil and a sealed cover to reduce wear from dirt and debris.
Progressive springs deliver a softer initial stroke that progressively firms under greater load, helping to control both small bumps and large compressions for steadier handling.
The kit contains black and silver progressive springs so you can tune spring rate. The black spring uses a 1.1mm wire diameter while the silver option is 1.2mm for increased stiffness.
ARA-2591
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