Chimaera header tank

[halcyongriff500]

Hi,
I'm in the process of re-commissioning a Chimaera that hasn't been on the road for some years.
Unfortunately, upon pressurising the cooling system the header tank developed a pin-prick leak.
Has anyone got a good used header tank?
Cheers,
Graham

[halcyongriff500]

The header tank on my Chim mounts to the chassis behind the rad, new replacements are for the later wing mounting so the mounting bracket differs. There are various suppliers but they all seem to be around £200.00 with VAT & postage and the mounting bracket would still need to be adapted. I was unable to source a used replacement so had mine repaired by aluminium welding, a local company did that and also pressure tested it all for £20.00.