WORKER Mod 7KG Modification Upgrade Spring for Mega Cyclone Shock A9353 7KG Modification Upgrade spring For Mega Cyclone Shock A9353 100% new brand and high quality Make your Mega Cyclone Shock A9353 more powerful with this upgrade spring Please make sure the spring fit Mega Cyclone Shock A9353 before you place an order Blaster not included.