Originally Posted by NJA82

I had a lot of trouble fitting mine to the engine, i dont run it at the moment due to the fact that it seemed like the holes didnt line up, and when tightening it down the first time it did seem quite firm, seemed ok until i ran the car out on the track, car seemed very slow and unresponsive until i came in and realised that the head was leaking around the gasket... so tried tightening it down a tad more but the screws wouldnt budge ( had to use shorter than standard screws to btw ) and the screws had gone a bit sideways in the threads it seems as when i went to put the old head back on and tighten it down it had damaged the threads in the crankcase in the rear left hand hole and it stripped out, so the crankcase was a throw away... not a cheap replacement, so this head has cost me a lot of money! And it still sits in the parts box....

I dont recommend it.