try some of the traders on here

mike r http://www.randbmotorsport.co.uk/shop/Parts.asp?ID=15

matt @ ml developments https://passionford.com/forum/profil...wprofile&u=359


failing that

http://www.motorsportworld.co.uk/

Cosworth 2wd - single 3 inch round rolled out £453.85 + £12 p&p

Cosworth 2wd - single 3.5 inch round rolled out £453.85 + £12 p&p

Cosworth 2wd - single 4 inch round rolled out £453.85 + £12 p&p