Hi, i have had a good read of a few threads but see conflicting info. Can anybody confirm if this is/is not an unleaded friendly cylinder head? I think it is an injection head judging by the inlet ports, it is stamped I by number 4 plug and has 86 cast into the top. Thanks!
https://ibb.co/pfYW2jS
https://ibb.co/jbwCKsv
https://ibb.co/JmssWM8
https://ibb.co/Jx0SGDT
https://ibb.co/5cgLY2D
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