Hot Racing S2 spring Steel Cush Drive Input Shaft for Traxxas Transmission.CNC S2 Spring Steel (Shock Resisting Steel) ConstructionHotRacing SXMX38CDA Spring Steel Cush Drive Input Shaft: Traxxas X-MaxxSKU: HRASXMX38CDA$14.88PriceQuantity*Add to CartBuy Now