New Style Air Arms Fill Valve Service Kit. S400/s410/S200/S510.
2 x Valve internal ‘O’ rings
2 x thread ‘O’ rings
6 x main body ‘O’ rings
1 x Sachet of silicone lube.
Please note that the air reservoir will need to be completely empty prior to attempting to remove the end plug and replacing the valve internal ‘O’ rings.
Valve shown for reference only, and is not included in the kit.