euro cam

I have a completely stock 1971 S2 spider 1750 spica injected. I'm looking to give it a little more top end, some people say go with euro cams for a decent butt dyno increase and I see Centerline has a 10.5mm cam they are calling euro plus. My question is this: Will anything other than cam...

I'm looking for a euro intake cam in good shape, preferably with sprocket. Number 10548, 2.0 L spider application. Pair of cams would work too. Joseph