Originally Posted by rubachuk
Would be very wary of sending the head back to him before either a refund or the correct head turns up. Then instead of having an incorrect head and no money, you'll have NO head and no money and I daresay even less chance of hearing from this joker again.
The SRi heads are often referred to as "big valve heads" because they came from the factory with bigger valves, are you sure this wasn't what he was refering to when he sold it? If I were to purchase an SRi big valve head I would expect a standard head to turn up TBH, although not a rusty sh!tty mess