Hot Racing ATF90PR148 Progressive Rate Rear Spring Set 1/10 Arrma 4X4 3S

hot racing factory spec progressive rate rear shock springs for the arrma 1/10 4x4 3s and 2s related vehicles features: - spring steel construction you will receive: - two (2) soft chrome springs - two (2) medium black springs - two (2) firm gold springs requirements: - installation specifications: - free length: 90mm - inner diameter: 16.5mm - wire diameter: 1.4mm (soft chrome), 1.5mm (med black), 1.6mm (firm gold) - turns: 14t comments: this spring set are design for our atf155ar08 but it will work with the stock shock araar330517.