leafs were used, off a long six studder van (I think?.. only saw front of van) they were off when I collected, the part number was 99XX-XXXXX ?? as mentioned, had 'em blasted and fitted 4 new bushes, in the end, just robbed the 3rd leaf of 'em.... If you mean front springs? the were new from t'bay, old ford stock listed as 2.9, 2.5D long, they were a lot thicker than the std springs but a bit shorter!
I turned a couple of tools to fit the bushes, that locate in the bush to prevent the tool slipping, also stops damage to the rubber, anyone can borrow these if need be, though you obviously need a big ass press to get 'em out! (and a couple of hefty assistants to hold the leafs... my missus and daughter in my case
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